215978200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 536684400

約数和(自身を除く): 320706200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 139, 170, 200, 278, 340, 425, 457, 556, 680, 695, 850, 914, 1112, 1390, 1700, 1828, 2285, 2363, 2780, 3400, 3475, 3656, 4570, 4726, 5560, 6950, 7769, 9140, 9452, 11425, 11815, 13900, 15538, 18280, 18904, 22850, 23630, 27800, 31076, 38845, 45700, 47260, 59075, 62152, 63523, 77690, 91400, 94520, 118150, 127046, 155380, 194225, 236300, 254092, 310760, 317615, 388450, 472600, 508184, 635230, 776900, 1079891, 1270460, 1553800, 1588075, 2159782, 2540920, 3176150, 4319564, 5399455, 6352300, 8639128, 10798910, 12704600, 21597820, 26997275, 43195640, 53994550, 107989100, 215978200]

約数ペア:

[(1, 215978200), (2, 107989100), (4, 53994550), (5, 43195640), (8, 26997275), (10, 21597820), (17, 12704600), (20, 10798910), (25, 8639128), (34, 6352300), (40, 5399455), (50, 4319564), (68, 3176150), (85, 2540920), (100, 2159782), (136, 1588075), (139, 1553800), (170, 1270460), (200, 1079891), (278, 776900), (340, 635230), (425, 508184), (457, 472600), (556, 388450), (680, 317615), (695, 310760), (850, 254092), (914, 236300), (1112, 194225), (1390, 155380), (1700, 127046), (1828, 118150), (2285, 94520), (2363, 91400), (2780, 77690), (3400, 63523), (3475, 62152), (3656, 59075), (4570, 47260), (4726, 45700), (5560, 38845), (6950, 31076), (7769, 27800), (9140, 23630), (9452, 22850), (11425, 18904), (11815, 18280), (13900, 15538)]