311935000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4799}}^1$

素因数の和:4838

約数の個数: 80

約数和(自身を含む): 787248000

約数和(自身を除く): 475313000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1625, 2500, 2600, 3250, 4799, 5000, 6500, 8125, 9598, 13000, 16250, 19196, 23995, 32500, 38392, 47990, 62387, 65000, 95980, 119975, 124774, 191960, 239950, 249548, 311935, 479900, 499096, 599875, 623870, 959800, 1199750, 1247740, 1559675, 2399500, 2495480, 2999375, 3119350, 4799000, 5998750, 6238700, 7798375, 11997500, 12477400, 15596750, 23995000, 31193500, 38991875, 62387000, 77983750, 155967500, 311935000]

約数ペア:

[(1, 311935000), (2, 155967500), (4, 77983750), (5, 62387000), (8, 38991875), (10, 31193500), (13, 23995000), (20, 15596750), (25, 12477400), (26, 11997500), (40, 7798375), (50, 6238700), (52, 5998750), (65, 4799000), (100, 3119350), (104, 2999375), (125, 2495480), (130, 2399500), (200, 1559675), (250, 1247740), (260, 1199750), (325, 959800), (500, 623870), (520, 599875), (625, 499096), (650, 479900), (1000, 311935), (1250, 249548), (1300, 239950), (1625, 191960), (2500, 124774), (2600, 119975), (3250, 95980), (4799, 65000), (5000, 62387), (6500, 47990), (8125, 38392), (9598, 32500), (13000, 23995), (16250, 19196)]