204423420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21701}}^1$

素因数の和:21870

約数の個数: 48

約数和(自身を含む): 576057888

約数和(自身を除く): 371634468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 21701, 43402, 65103, 86804, 108505, 130206, 217010, 260412, 325515, 434020, 651030, 1302060, 3407057, 6814114, 10221171, 13628228, 17035285, 20442342, 34070570, 40884684, 51105855, 68141140, 102211710, 204423420]

約数ペア:

[(1, 204423420), (2, 102211710), (3, 68141140), (4, 51105855), (5, 40884684), (6, 34070570), (10, 20442342), (12, 17035285), (15, 13628228), (20, 10221171), (30, 6814114), (60, 3407057), (157, 1302060), (314, 651030), (471, 434020), (628, 325515), (785, 260412), (942, 217010), (1570, 130206), (1884, 108505), (2355, 86804), (3140, 65103), (4710, 43402), (9420, 21701)]