2017680275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3413}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 2880378144

約数和(自身を除く): 862697869

約数列:

[1, 5, 13, 17, 25, 65, 85, 107, 221, 325, 425, 535, 1105, 1391, 1819, 2675, 3413, 5525, 6955, 9095, 17065, 23647, 34775, 44369, 45475, 58021, 85325, 118235, 221845, 290105, 365191, 591175, 754273, 1109225, 1450525, 1825955, 3771365, 4747483, 6208247, 9129775, 18856825, 23737415, 31041235, 80707211, 118687075, 155206175, 403536055, 2017680275]

約数ペア:

[(1, 2017680275), (5, 403536055), (13, 155206175), (17, 118687075), (25, 80707211), (65, 31041235), (85, 23737415), (107, 18856825), (221, 9129775), (325, 6208247), (425, 4747483), (535, 3771365), (1105, 1825955), (1391, 1450525), (1819, 1109225), (2675, 754273), (3413, 591175), (5525, 365191), (6955, 290105), (9095, 221845), (17065, 118235), (23647, 85325), (34775, 58021), (44369, 45475)]