388634000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4585

約数の個数: 80

約数和(自身を含む): 961783680

約数和(自身を除く): 573149680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 500, 688, 860, 1000, 1075, 1720, 2000, 2150, 3440, 4300, 4519, 5375, 8600, 9038, 10750, 17200, 18076, 21500, 22595, 36152, 43000, 45190, 72304, 86000, 90380, 112975, 180760, 194317, 225950, 361520, 388634, 451900, 564875, 777268, 903800, 971585, 1129750, 1554536, 1807600, 1943170, 2259500, 3109072, 3886340, 4519000, 4857925, 7772680, 9038000, 9715850, 15545360, 19431700, 24289625, 38863400, 48579250, 77726800, 97158500, 194317000, 388634000]

約数ペア:

[(1, 388634000), (2, 194317000), (4, 97158500), (5, 77726800), (8, 48579250), (10, 38863400), (16, 24289625), (20, 19431700), (25, 15545360), (40, 9715850), (43, 9038000), (50, 7772680), (80, 4857925), (86, 4519000), (100, 3886340), (125, 3109072), (172, 2259500), (200, 1943170), (215, 1807600), (250, 1554536), (344, 1129750), (400, 971585), (430, 903800), (500, 777268), (688, 564875), (860, 451900), (1000, 388634), (1075, 361520), (1720, 225950), (2000, 194317), (2150, 180760), (3440, 112975), (4300, 90380), (4519, 86000), (5375, 72304), (8600, 45190), (9038, 43000), (10750, 36152), (17200, 22595), (18076, 21500)]