1520508730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{688013}}^1$

素因数の和:688050

約数の個数: 32

約数和(自身を含む): 3120831504

約数和(自身を除く): 1600322774

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 688013, 1376026, 3440065, 6880130, 8944169, 11696221, 17888338, 23392442, 44720845, 58481105, 89441690, 116962210, 152050873, 304101746, 760254365, 1520508730]

約数ペア:

[(1, 1520508730), (2, 760254365), (5, 304101746), (10, 152050873), (13, 116962210), (17, 89441690), (26, 58481105), (34, 44720845), (65, 23392442), (85, 17888338), (130, 11696221), (170, 8944169), (221, 6880130), (442, 3440065), (1105, 1376026), (2210, 688013)]