4079870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 7840800

約数和(自身を除く): 3760930

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 197, 218, 394, 545, 985, 1090, 1970, 2071, 3743, 4142, 7486, 10355, 18715, 20710, 21473, 37430, 42946, 107365, 214730, 407987, 815974, 2039935, 4079870]

約数ペア:

[(1, 4079870), (2, 2039935), (5, 815974), (10, 407987), (19, 214730), (38, 107365), (95, 42946), (109, 37430), (190, 21473), (197, 20710), (218, 18715), (394, 10355), (545, 7486), (985, 4142), (1090, 3743), (1970, 2071)]