397645870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{18521}}^1$

素因数の和:18660

約数の個数: 32

約数和(自身を含む): 760142880

約数和(自身を除く): 362497010

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 2147, 4294, 10735, 18521, 21470, 37042, 92605, 185210, 351899, 703798, 1759495, 2092873, 3518990, 4185746, 10464365, 20928730, 39764587, 79529174, 198822935, 397645870]

約数ペア:

[(1, 397645870), (2, 198822935), (5, 79529174), (10, 39764587), (19, 20928730), (38, 10464365), (95, 4185746), (113, 3518990), (190, 2092873), (226, 1759495), (565, 703798), (1130, 351899), (2147, 185210), (4294, 92605), (10735, 37042), (18521, 21470)]