1389968450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{125789}}^1$

素因数の和:125831

約数の個数: 48

約数和(自身を含む): 2948014440

約数和(自身を除く): 1558045990

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 125789, 251578, 628945, 1257890, 1635257, 2138413, 3144725, 3270514, 4276826, 6289450, 8176285, 10692065, 16352570, 21384130, 27799369, 40881425, 53460325, 55598738, 81762850, 106920650, 138996845, 277993690, 694984225, 1389968450]

約数ペア:

[(1, 1389968450), (2, 694984225), (5, 277993690), (10, 138996845), (13, 106920650), (17, 81762850), (25, 55598738), (26, 53460325), (34, 40881425), (50, 27799369), (65, 21384130), (85, 16352570), (130, 10692065), (170, 8176285), (221, 6289450), (325, 4276826), (425, 3270514), (442, 3144725), (650, 2138413), (850, 1635257), (1105, 1257890), (2210, 628945), (5525, 251578), (11050, 125789)]