31904740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{811}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 76938624

約数和(自身を除く): 45033884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 811, 1124, 1405, 1622, 1967, 2810, 3244, 3934, 4055, 5620, 5677, 7868, 8110, 9835, 11354, 16220, 19670, 22708, 28385, 39340, 56770, 113540, 227891, 455782, 911564, 1139455, 1595237, 2278910, 3190474, 4557820, 6380948, 7976185, 15952370, 31904740]

約数ペア:

[(1, 31904740), (2, 15952370), (4, 7976185), (5, 6380948), (7, 4557820), (10, 3190474), (14, 2278910), (20, 1595237), (28, 1139455), (35, 911564), (70, 455782), (140, 227891), (281, 113540), (562, 56770), (811, 39340), (1124, 28385), (1405, 22708), (1622, 19670), (1967, 16220), (2810, 11354), (3244, 9835), (3934, 8110), (4055, 7868), (5620, 5677)]