90794800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 232485120

約数和(自身を除く): 141690320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 71, 80, 92, 100, 115, 139, 142, 184, 200, 230, 278, 284, 355, 368, 400, 460, 556, 568, 575, 695, 710, 920, 1112, 1136, 1150, 1390, 1420, 1633, 1775, 1840, 2224, 2300, 2780, 2840, 3197, 3266, 3475, 3550, 4600, 5560, 5680, 6394, 6532, 6950, 7100, 8165, 9200, 9869, 11120, 12788, 13064, 13900, 14200, 15985, 16330, 19738, 25576, 26128, 27800, 28400, 31970, 32660, 39476, 40825, 49345, 51152, 55600, 63940, 65320, 78952, 79925, 81650, 98690, 127880, 130640, 157904, 159850, 163300, 197380, 226987, 246725, 255760, 319700, 326600, 394760, 453974, 493450, 639400, 653200, 789520, 907948, 986900, 1134935, 1278800, 1815896, 1973800, 2269870, 3631792, 3947600, 4539740, 5674675, 9079480, 11349350, 18158960, 22698700, 45397400, 90794800]

約数ペア:

[(1, 90794800), (2, 45397400), (4, 22698700), (5, 18158960), (8, 11349350), (10, 9079480), (16, 5674675), (20, 4539740), (23, 3947600), (25, 3631792), (40, 2269870), (46, 1973800), (50, 1815896), (71, 1278800), (80, 1134935), (92, 986900), (100, 907948), (115, 789520), (139, 653200), (142, 639400), (184, 493450), (200, 453974), (230, 394760), (278, 326600), (284, 319700), (355, 255760), (368, 246725), (400, 226987), (460, 197380), (556, 163300), (568, 159850), (575, 157904), (695, 130640), (710, 127880), (920, 98690), (1112, 81650), (1136, 79925), (1150, 78952), (1390, 65320), (1420, 63940), (1633, 55600), (1775, 51152), (1840, 49345), (2224, 40825), (2300, 39476), (2780, 32660), (2840, 31970), (3197, 28400), (3266, 27800), (3475, 26128), (3550, 25576), (4600, 19738), (5560, 16330), (5680, 15985), (6394, 14200), (6532, 13900), (6950, 13064), (7100, 12788), (8165, 11120), (9200, 9869)]