30917000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 74131200

約数和(自身を除く): 43214200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 719, 860, 1000, 1075, 1438, 1720, 2150, 2876, 3595, 4300, 5375, 5752, 7190, 8600, 10750, 14380, 17975, 21500, 28760, 30917, 35950, 43000, 61834, 71900, 89875, 123668, 143800, 154585, 179750, 247336, 309170, 359500, 618340, 719000, 772925, 1236680, 1545850, 3091700, 3864625, 6183400, 7729250, 15458500, 30917000]

約数ペア:

[(1, 30917000), (2, 15458500), (4, 7729250), (5, 6183400), (8, 3864625), (10, 3091700), (20, 1545850), (25, 1236680), (40, 772925), (43, 719000), (50, 618340), (86, 359500), (100, 309170), (125, 247336), (172, 179750), (200, 154585), (215, 143800), (250, 123668), (344, 89875), (430, 71900), (500, 61834), (719, 43000), (860, 35950), (1000, 30917), (1075, 28760), (1438, 21500), (1720, 17975), (2150, 14380), (2876, 10750), (3595, 8600), (4300, 7190), (5375, 5752)]