420331856

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{11839}}^1$

素因数の和:12171

約数の個数: 40

約数和(自身を含む): 933749760

約数和(自身を除く): 513417904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 634, 1268, 2219, 2536, 4438, 5072, 8876, 11839, 17752, 23678, 35504, 47356, 82873, 94712, 165746, 189424, 331492, 662984, 1325968, 3752963, 7505926, 15011852, 26270741, 30023704, 52541482, 60047408, 105082964, 210165928, 420331856]

約数ペア:

[(1, 420331856), (2, 210165928), (4, 105082964), (7, 60047408), (8, 52541482), (14, 30023704), (16, 26270741), (28, 15011852), (56, 7505926), (112, 3752963), (317, 1325968), (634, 662984), (1268, 331492), (2219, 189424), (2536, 165746), (4438, 94712), (5072, 82873), (8876, 47356), (11839, 35504), (17752, 23678)]