313640620

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{31177}}^1$

素因数の和:31689

約数の個数: 24

約数和(自身を含む): 659975904

約数和(自身を除く): 346335284

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 31177, 62354, 124708, 155885, 311770, 623540, 15682031, 31364062, 62728124, 78410155, 156820310, 313640620]

約数ペア:

[(1, 313640620), (2, 156820310), (4, 78410155), (5, 62728124), (10, 31364062), (20, 15682031), (503, 623540), (1006, 311770), (2012, 155885), (2515, 124708), (5030, 62354), (10060, 31177)]