90089870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4651}}^1$

素因数の和:4820

約数の個数: 32

約数和(自身を含む): 175845600

約数和(自身を除く): 85755730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 4651, 9302, 9685, 19370, 23255, 46510, 60463, 120926, 302315, 604630, 692999, 1385998, 3464995, 6929990, 9008987, 18017974, 45044935, 90089870]

約数ペア:

[(1, 90089870), (2, 45044935), (5, 18017974), (10, 9008987), (13, 6929990), (26, 3464995), (65, 1385998), (130, 692999), (149, 604630), (298, 302315), (745, 120926), (1490, 60463), (1937, 46510), (3874, 23255), (4651, 19370), (9302, 9685)]