17280250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 35114040

約数和(自身を除く): 17833790

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 409, 650, 818, 845, 1625, 1690, 2045, 3250, 4090, 4225, 5317, 8450, 10225, 10634, 20450, 21125, 26585, 42250, 51125, 53170, 69121, 102250, 132925, 138242, 265850, 345605, 664625, 691210, 1329250, 1728025, 3456050, 8640125, 17280250]

約数ペア:

[(1, 17280250), (2, 8640125), (5, 3456050), (10, 1728025), (13, 1329250), (25, 691210), (26, 664625), (50, 345605), (65, 265850), (125, 138242), (130, 132925), (169, 102250), (250, 69121), (325, 53170), (338, 51125), (409, 42250), (650, 26585), (818, 21125), (845, 20450), (1625, 10634), (1690, 10225), (2045, 8450), (3250, 5317), (4090, 4225)]