248767480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{478399}}^1$

素因数の和:478423

約数の個数: 32

約数和(自身を含む): 602784000

約数和(自身を除く): 354016520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 478399, 956798, 1913596, 2391995, 3827192, 4783990, 6219187, 9567980, 12438374, 19135960, 24876748, 31095935, 49753496, 62191870, 124383740, 248767480]

約数ペア:

[(1, 248767480), (2, 124383740), (4, 62191870), (5, 49753496), (8, 31095935), (10, 24876748), (13, 19135960), (20, 12438374), (26, 9567980), (40, 6219187), (52, 4783990), (65, 3827192), (104, 2391995), (130, 1913596), (260, 956798), (520, 478399)]