285389620

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{7643}}^1$

素因数の和:9519

約数の個数: 24

約数和(自身を含む): 599717664

約数和(自身を除く): 314328044

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 7468, 7643, 9335, 15286, 18670, 30572, 37340, 38215, 76430, 152860, 14269481, 28538962, 57077924, 71347405, 142694810, 285389620]

約数ペア:

[(1, 285389620), (2, 142694810), (4, 71347405), (5, 57077924), (10, 28538962), (20, 14269481), (1867, 152860), (3734, 76430), (7468, 38215), (7643, 37340), (9335, 30572), (15286, 18670)]