312684920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{15541}}^1$

素因数の和:16055

約数の個数: 32

約数和(自身を含む): 704985120

約数和(自身を除く): 392300200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 15541, 20120, 31082, 62164, 77705, 124328, 155410, 310820, 621640, 7817123, 15634246, 31268492, 39085615, 62536984, 78171230, 156342460, 312684920]

約数ペア:

[(1, 312684920), (2, 156342460), (4, 78171230), (5, 62536984), (8, 39085615), (10, 31268492), (20, 15634246), (40, 7817123), (503, 621640), (1006, 310820), (2012, 155410), (2515, 124328), (4024, 77705), (5030, 62164), (10060, 31082), (15541, 20120)]