143480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 343440

約数和(自身を除く): 199960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1688, 2110, 3587, 4220, 7174, 8440, 14348, 17935, 28696, 35870, 71740, 143480]

約数ペア:

[(1, 143480), (2, 71740), (4, 35870), (5, 28696), (8, 17935), (10, 14348), (17, 8440), (20, 7174), (34, 4220), (40, 3587), (68, 2110), (85, 1688), (136, 1055), (170, 844), (211, 680), (340, 422)]