1999444860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1865

約数の個数: 288

約数和(自身を含む): 7455651840

約数和(自身を除く): 5456206980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 47, 57, 60, 63, 70, 76, 84, 90, 94, 95, 105, 114, 126, 133, 140, 141, 171, 180, 188, 190, 210, 228, 235, 252, 266, 282, 285, 315, 329, 342, 380, 399, 420, 423, 470, 532, 564, 570, 630, 658, 665, 684, 705, 798, 846, 855, 893, 940, 987, 1140, 1197, 1260, 1316, 1330, 1410, 1596, 1645, 1692, 1710, 1777, 1786, 1974, 1995, 2115, 2394, 2660, 2679, 2820, 2961, 3290, 3420, 3554, 3572, 3948, 3990, 4230, 4465, 4788, 4935, 5331, 5358, 5922, 5985, 6251, 6580, 7108, 7980, 8037, 8460, 8885, 8930, 9870, 10662, 10716, 11844, 11970, 12439, 12502, 13395, 14805, 15993, 16074, 17770, 17860, 18753, 19740, 21324, 23940, 24878, 25004, 26655, 26790, 29610, 31255, 31986, 32148, 33763, 35540, 37317, 37506, 40185, 49756, 53310, 53580, 56259, 59220, 62195, 62510, 63972, 67526, 74634, 75012, 79965, 80370, 83519, 93765, 101289, 106620, 111951, 112518, 124390, 125020, 135052, 149268, 159930, 160740, 167038, 168815, 186585, 187530, 202578, 223902, 225036, 236341, 248780, 250557, 281295, 303867, 319860, 334076, 337630, 373170, 375060, 405156, 417595, 447804, 472682, 501114, 506445, 559755, 562590, 584633, 607734, 675260, 709023, 746340, 751671, 835190, 945364, 1002228, 1012890, 1119510, 1125180, 1169266, 1181705, 1215468, 1252785, 1418046, 1503342, 1519335, 1586861, 1670380, 1753899, 2025780, 2127069, 2239020, 2338532, 2363410, 2505570, 2836092, 2923165, 3006684, 3038670, 3173722, 3507798, 3545115, 3758355, 4254138, 4726820, 4760583, 5011140, 5261697, 5846330, 6077340, 6347444, 7015596, 7090230, 7516710, 7934305, 8508276, 8769495, 9521166, 10523394, 10635345, 11108027, 11692660, 14180460, 14281749, 15033420, 15868610, 17538990, 19042332, 21046788, 21270690, 22216054, 23802915, 26308485, 28563498, 31737220, 33324081, 35077980, 42541380, 44432108, 47605830, 52616970, 55540135, 57126996, 66648162, 71408745, 95211660, 99972243, 105233940, 111080270, 133296324, 142817490, 166620405, 199944486, 222160540, 285634980, 333240810, 399888972, 499861215, 666481620, 999722430, 1999444860]

約数ペア:

[(1, 1999444860), (2, 999722430), (3, 666481620), (4, 499861215), (5, 399888972), (6, 333240810), (7, 285634980), (9, 222160540), (10, 199944486), (12, 166620405), (14, 142817490), (15, 133296324), (18, 111080270), (19, 105233940), (20, 99972243), (21, 95211660), (28, 71408745), (30, 66648162), (35, 57126996), (36, 55540135), (38, 52616970), (42, 47605830), (45, 44432108), (47, 42541380), (57, 35077980), (60, 33324081), (63, 31737220), (70, 28563498), (76, 26308485), (84, 23802915), (90, 22216054), (94, 21270690), (95, 21046788), (105, 19042332), (114, 17538990), (126, 15868610), (133, 15033420), (140, 14281749), (141, 14180460), (171, 11692660), (180, 11108027), (188, 10635345), (190, 10523394), (210, 9521166), (228, 8769495), (235, 8508276), (252, 7934305), (266, 7516710), (282, 7090230), (285, 7015596), (315, 6347444), (329, 6077340), (342, 5846330), (380, 5261697), (399, 5011140), (420, 4760583), (423, 4726820), (470, 4254138), (532, 3758355), (564, 3545115), (570, 3507798), (630, 3173722), (658, 3038670), (665, 3006684), (684, 2923165), (705, 2836092), (798, 2505570), (846, 2363410), (855, 2338532), (893, 2239020), (940, 2127069), (987, 2025780), (1140, 1753899), (1197, 1670380), (1260, 1586861), (1316, 1519335), (1330, 1503342), (1410, 1418046), (1596, 1252785), (1645, 1215468), (1692, 1181705), (1710, 1169266), (1777, 1125180), (1786, 1119510), (1974, 1012890), (1995, 1002228), (2115, 945364), (2394, 835190), (2660, 751671), (2679, 746340), (2820, 709023), (2961, 675260), (3290, 607734), (3420, 584633), (3554, 562590), (3572, 559755), (3948, 506445), (3990, 501114), (4230, 472682), (4465, 447804), (4788, 417595), (4935, 405156), (5331, 375060), (5358, 373170), (5922, 337630), (5985, 334076), (6251, 319860), (6580, 303867), (7108, 281295), (7980, 250557), (8037, 248780), (8460, 236341), (8885, 225036), (8930, 223902), (9870, 202578), (10662, 187530), (10716, 186585), (11844, 168815), (11970, 167038), (12439, 160740), (12502, 159930), (13395, 149268), (14805, 135052), (15993, 125020), (16074, 124390), (17770, 112518), (17860, 111951), (18753, 106620), (19740, 101289), (21324, 93765), (23940, 83519), (24878, 80370), (25004, 79965), (26655, 75012), (26790, 74634), (29610, 67526), (31255, 63972), (31986, 62510), (32148, 62195), (33763, 59220), (35540, 56259), (37317, 53580), (37506, 53310), (40185, 49756)]