557162020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1186593408

約数和(自身を除く): 629431388

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 307, 412, 515, 614, 881, 1030, 1228, 1535, 1762, 2060, 3070, 3524, 4405, 6140, 8810, 17620, 31621, 63242, 90743, 126484, 158105, 181486, 270467, 316210, 362972, 453715, 540934, 632420, 907430, 1081868, 1352335, 1814860, 2704670, 5409340, 27858101, 55716202, 111432404, 139290505, 278581010, 557162020]

約数ペア:

[(1, 557162020), (2, 278581010), (4, 139290505), (5, 111432404), (10, 55716202), (20, 27858101), (103, 5409340), (206, 2704670), (307, 1814860), (412, 1352335), (515, 1081868), (614, 907430), (881, 632420), (1030, 540934), (1228, 453715), (1535, 362972), (1762, 316210), (2060, 270467), (3070, 181486), (3524, 158105), (4405, 126484), (6140, 90743), (8810, 63242), (17620, 31621)]