138314120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{493979}}^1$

素因数の和:493997

約数の個数: 32

約数和(自身を含む): 355665600

約数和(自身を除く): 217351480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 493979, 987958, 1975916, 2469895, 3457853, 3951832, 4939790, 6915706, 9879580, 13831412, 17289265, 19759160, 27662824, 34578530, 69157060, 138314120]

約数ペア:

[(1, 138314120), (2, 69157060), (4, 34578530), (5, 27662824), (7, 19759160), (8, 17289265), (10, 13831412), (14, 9879580), (20, 6915706), (28, 4939790), (35, 3951832), (40, 3457853), (56, 2469895), (70, 1975916), (140, 987958), (280, 493979)]