2018994040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 256

約数和(自身を含む): 5640192000

約数和(自身を除く): 3621197960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 49, 56, 62, 70, 94, 98, 101, 124, 140, 155, 188, 196, 202, 217, 235, 245, 248, 280, 310, 329, 343, 376, 392, 404, 434, 470, 490, 505, 620, 658, 686, 707, 808, 868, 940, 980, 1010, 1085, 1240, 1316, 1372, 1414, 1457, 1519, 1645, 1715, 1736, 1880, 1960, 2020, 2170, 2303, 2632, 2744, 2828, 2914, 3038, 3131, 3290, 3430, 3535, 4040, 4340, 4606, 4747, 4949, 5656, 5828, 6076, 6262, 6580, 6860, 7070, 7285, 7595, 8680, 9212, 9494, 9898, 10199, 10633, 11515, 11656, 12152, 12524, 13160, 13720, 14140, 14570, 15190, 15655, 16121, 18424, 18988, 19796, 20398, 21266, 21917, 23030, 23735, 24745, 25048, 28280, 29140, 30380, 31310, 32242, 33229, 34643, 37976, 39592, 40796, 42532, 43834, 46060, 47470, 49490, 50995, 53165, 58280, 60760, 62620, 64484, 66458, 69286, 71393, 80605, 81592, 85064, 87668, 92120, 94940, 98980, 101990, 106330, 109585, 125240, 128968, 132916, 138572, 142786, 147157, 153419, 161210, 166145, 173215, 175336, 189880, 197960, 203980, 212660, 219170, 232603, 265832, 277144, 285572, 294314, 306838, 322420, 332290, 346430, 356965, 407960, 425320, 438340, 465206, 499751, 571144, 588628, 613676, 644840, 664580, 692860, 713930, 735785, 767095, 876680, 930412, 999502, 1030099, 1073933, 1163015, 1177256, 1227352, 1329160, 1385720, 1427860, 1471570, 1534190, 1628221, 1860824, 1999004, 2060198, 2147866, 2326030, 2498755, 2855720, 2943140, 3068380, 3256442, 3998008, 4120396, 4295732, 4652060, 4997510, 5150495, 5369665, 5886280, 6136760, 6512884, 7210693, 8141105, 8240792, 8591464, 9304120, 9995020, 10300990, 10739330, 13025768, 14421386, 16282210, 19990040, 20601980, 21478660, 28842772, 32564420, 36053465, 41203960, 42957320, 50474851, 57685544, 65128840, 72106930, 100949702, 144213860, 201899404, 252374255, 288427720, 403798808, 504748510, 1009497020, 2018994040]

約数ペア:

[(1, 2018994040), (2, 1009497020), (4, 504748510), (5, 403798808), (7, 288427720), (8, 252374255), (10, 201899404), (14, 144213860), (20, 100949702), (28, 72106930), (31, 65128840), (35, 57685544), (40, 50474851), (47, 42957320), (49, 41203960), (56, 36053465), (62, 32564420), (70, 28842772), (94, 21478660), (98, 20601980), (101, 19990040), (124, 16282210), (140, 14421386), (155, 13025768), (188, 10739330), (196, 10300990), (202, 9995020), (217, 9304120), (235, 8591464), (245, 8240792), (248, 8141105), (280, 7210693), (310, 6512884), (329, 6136760), (343, 5886280), (376, 5369665), (392, 5150495), (404, 4997510), (434, 4652060), (470, 4295732), (490, 4120396), (505, 3998008), (620, 3256442), (658, 3068380), (686, 2943140), (707, 2855720), (808, 2498755), (868, 2326030), (940, 2147866), (980, 2060198), (1010, 1999004), (1085, 1860824), (1240, 1628221), (1316, 1534190), (1372, 1471570), (1414, 1427860), (1457, 1385720), (1519, 1329160), (1645, 1227352), (1715, 1177256), (1736, 1163015), (1880, 1073933), (1960, 1030099), (2020, 999502), (2170, 930412), (2303, 876680), (2632, 767095), (2744, 735785), (2828, 713930), (2914, 692860), (3038, 664580), (3131, 644840), (3290, 613676), (3430, 588628), (3535, 571144), (4040, 499751), (4340, 465206), (4606, 438340), (4747, 425320), (4949, 407960), (5656, 356965), (5828, 346430), (6076, 332290), (6262, 322420), (6580, 306838), (6860, 294314), (7070, 285572), (7285, 277144), (7595, 265832), (8680, 232603), (9212, 219170), (9494, 212660), (9898, 203980), (10199, 197960), (10633, 189880), (11515, 175336), (11656, 173215), (12152, 166145), (12524, 161210), (13160, 153419), (13720, 147157), (14140, 142786), (14570, 138572), (15190, 132916), (15655, 128968), (16121, 125240), (18424, 109585), (18988, 106330), (19796, 101990), (20398, 98980), (21266, 94940), (21917, 92120), (23030, 87668), (23735, 85064), (24745, 81592), (25048, 80605), (28280, 71393), (29140, 69286), (30380, 66458), (31310, 64484), (32242, 62620), (33229, 60760), (34643, 58280), (37976, 53165), (39592, 50995), (40796, 49490), (42532, 47470), (43834, 46060)]