72234680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257981}}^1$

素因数の和:257999

約数の個数: 32

約数和(自身を含む): 185747040

約数和(自身を除く): 113512360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257981, 515962, 1031924, 1289905, 1805867, 2063848, 2579810, 3611734, 5159620, 7223468, 9029335, 10319240, 14446936, 18058670, 36117340, 72234680]

約数ペア:

[(1, 72234680), (2, 36117340), (4, 18058670), (5, 14446936), (7, 10319240), (8, 9029335), (10, 7223468), (14, 5159620), (20, 3611734), (28, 2579810), (35, 2063848), (40, 1805867), (56, 1289905), (70, 1031924), (140, 515962), (280, 257981)]