256713730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{282103}}^1$

素因数の和:282130

約数の個数: 32

約数和(自身を含む): 568721664

約数和(自身を除く): 312007934

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 282103, 564206, 1410515, 1974721, 2821030, 3667339, 3949442, 7334678, 9873605, 18336695, 19747210, 25671373, 36673390, 51342746, 128356865, 256713730]

約数ペア:

[(1, 256713730), (2, 128356865), (5, 51342746), (7, 36673390), (10, 25671373), (13, 19747210), (14, 18336695), (26, 9873605), (35, 7334678), (65, 3949442), (70, 3667339), (91, 2821030), (130, 1974721), (182, 1410515), (455, 564206), (910, 282103)]