71650900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 167662880

約数和(自身を除く): 96011980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 877, 950, 1075, 1634, 1754, 1900, 2150, 3268, 3508, 4085, 4300, 4385, 8170, 8770, 16340, 16663, 17540, 20425, 21925, 33326, 37711, 40850, 43850, 66652, 75422, 81700, 83315, 87700, 150844, 166630, 188555, 333260, 377110, 416575, 716509, 754220, 833150, 942775, 1433018, 1666300, 1885550, 2866036, 3582545, 3771100, 7165090, 14330180, 17912725, 35825450, 71650900]

約数ペア:

[(1, 71650900), (2, 35825450), (4, 17912725), (5, 14330180), (10, 7165090), (19, 3771100), (20, 3582545), (25, 2866036), (38, 1885550), (43, 1666300), (50, 1433018), (76, 942775), (86, 833150), (95, 754220), (100, 716509), (172, 416575), (190, 377110), (215, 333260), (380, 188555), (430, 166630), (475, 150844), (817, 87700), (860, 83315), (877, 81700), (950, 75422), (1075, 66652), (1634, 43850), (1754, 40850), (1900, 37711), (2150, 33326), (3268, 21925), (3508, 20425), (4085, 17540), (4300, 16663), (4385, 16340), (8170, 8770)]