74343740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 159559680

約数和(自身を除く): 85215940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 211, 223, 316, 395, 422, 446, 790, 844, 892, 1055, 1115, 1580, 2110, 2230, 4220, 4460, 16669, 17617, 33338, 35234, 47053, 66676, 70468, 83345, 88085, 94106, 166690, 176170, 188212, 235265, 333380, 352340, 470530, 941060, 3717187, 7434374, 14868748, 18585935, 37171870, 74343740]

約数ペア:

[(1, 74343740), (2, 37171870), (4, 18585935), (5, 14868748), (10, 7434374), (20, 3717187), (79, 941060), (158, 470530), (211, 352340), (223, 333380), (316, 235265), (395, 188212), (422, 176170), (446, 166690), (790, 94106), (844, 88085), (892, 83345), (1055, 70468), (1115, 66676), (1580, 47053), (2110, 35234), (2230, 33338), (4220, 17617), (4460, 16669)]