2159290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 4498560

約数和(自身を除く): 2339270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 283, 545, 566, 763, 1090, 1415, 1526, 1981, 2830, 3815, 3962, 7630, 9905, 19810, 30847, 61694, 154235, 215929, 308470, 431858, 1079645, 2159290]

約数ペア:

[(1, 2159290), (2, 1079645), (5, 431858), (7, 308470), (10, 215929), (14, 154235), (35, 61694), (70, 30847), (109, 19810), (218, 9905), (283, 7630), (545, 3962), (566, 3815), (763, 2830), (1090, 1981), (1415, 1526)]