628121020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{5867}}^1$

素因数の和:6030

約数の個数: 48

約数和(自身を含む): 1357479648

約数和(自身を除く): 729358628

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 404, 505, 530, 1010, 1060, 2020, 5353, 5867, 10706, 11734, 21412, 23468, 26765, 29335, 53530, 58670, 107060, 117340, 310951, 592567, 621902, 1185134, 1243804, 1554755, 2370268, 2962835, 3109510, 5925670, 6219020, 11851340, 31406051, 62812102, 125624204, 157030255, 314060510, 628121020]

約数ペア:

[(1, 628121020), (2, 314060510), (4, 157030255), (5, 125624204), (10, 62812102), (20, 31406051), (53, 11851340), (101, 6219020), (106, 5925670), (202, 3109510), (212, 2962835), (265, 2370268), (404, 1554755), (505, 1243804), (530, 1185134), (1010, 621902), (1060, 592567), (2020, 310951), (5353, 117340), (5867, 107060), (10706, 58670), (11734, 53530), (21412, 29335), (23468, 26765)]