420010020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2333389}}^1$

素因数の和:2333404

約数の個数: 36

約数和(自身を含む): 1274030940

約数和(自身を除く): 854020920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2333389, 4666778, 7000167, 9333556, 11666945, 14000334, 21000501, 23333890, 28000668, 35000835, 42001002, 46667780, 70001670, 84002004, 105002505, 140003340, 210005010, 420010020]

約数ペア:

[(1, 420010020), (2, 210005010), (3, 140003340), (4, 105002505), (5, 84002004), (6, 70001670), (9, 46667780), (10, 42001002), (12, 35000835), (15, 28000668), (18, 23333890), (20, 21000501), (30, 14000334), (36, 11666945), (45, 9333556), (60, 7000167), (90, 4666778), (180, 2333389)]