215560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 515160

約数和(自身を除く): 299600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 634, 680, 1268, 1585, 2536, 3170, 5389, 6340, 10778, 12680, 21556, 26945, 43112, 53890, 107780, 215560]

約数ペア:

[(1, 215560), (2, 107780), (4, 53890), (5, 43112), (8, 26945), (10, 21556), (17, 12680), (20, 10778), (34, 6340), (40, 5389), (68, 3170), (85, 2536), (136, 1585), (170, 1268), (317, 680), (340, 634)]