399888972

素因数分解:

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

素因数の和:1860

約数の個数: 144

約数和(自身を含む): 1242608640

約数和(自身を除く): 842719668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 84, 94, 114, 126, 133, 141, 171, 188, 228, 252, 266, 282, 329, 342, 399, 423, 532, 564, 658, 684, 798, 846, 893, 987, 1197, 1316, 1596, 1692, 1777, 1786, 1974, 2394, 2679, 2961, 3554, 3572, 3948, 4788, 5331, 5358, 5922, 6251, 7108, 8037, 10662, 10716, 11844, 12439, 12502, 15993, 16074, 18753, 21324, 24878, 25004, 31986, 32148, 33763, 37317, 37506, 49756, 56259, 63972, 67526, 74634, 75012, 83519, 101289, 111951, 112518, 135052, 149268, 167038, 202578, 223902, 225036, 236341, 250557, 303867, 334076, 405156, 447804, 472682, 501114, 584633, 607734, 709023, 751671, 945364, 1002228, 1169266, 1215468, 1418046, 1503342, 1586861, 1753899, 2127069, 2338532, 2836092, 3006684, 3173722, 3507798, 4254138, 4760583, 5261697, 6347444, 7015596, 8508276, 9521166, 10523394, 11108027, 14281749, 19042332, 21046788, 22216054, 28563498, 33324081, 44432108, 57126996, 66648162, 99972243, 133296324, 199944486, 399888972]

約数ペア:

[(1, 399888972), (2, 199944486), (3, 133296324), (4, 99972243), (6, 66648162), (7, 57126996), (9, 44432108), (12, 33324081), (14, 28563498), (18, 22216054), (19, 21046788), (21, 19042332), (28, 14281749), (36, 11108027), (38, 10523394), (42, 9521166), (47, 8508276), (57, 7015596), (63, 6347444), (76, 5261697), (84, 4760583), (94, 4254138), (114, 3507798), (126, 3173722), (133, 3006684), (141, 2836092), (171, 2338532), (188, 2127069), (228, 1753899), (252, 1586861), (266, 1503342), (282, 1418046), (329, 1215468), (342, 1169266), (399, 1002228), (423, 945364), (532, 751671), (564, 709023), (658, 607734), (684, 584633), (798, 501114), (846, 472682), (893, 447804), (987, 405156), (1197, 334076), (1316, 303867), (1596, 250557), (1692, 236341), (1777, 225036), (1786, 223902), (1974, 202578), (2394, 167038), (2679, 149268), (2961, 135052), (3554, 112518), (3572, 111951), (3948, 101289), (4788, 83519), (5331, 75012), (5358, 74634), (5922, 67526), (6251, 63972), (7108, 56259), (8037, 49756), (10662, 37506), (10716, 37317), (11844, 33763), (12439, 32148), (12502, 31986), (15993, 25004), (16074, 24878), (18753, 21324)]