11997620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 26761728

約数和(自身を除く): 14764108

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 523, 620, 740, 1046, 1147, 2092, 2294, 2615, 4588, 5230, 5735, 10460, 11470, 16213, 19351, 22940, 32426, 38702, 64852, 77404, 81065, 96755, 162130, 193510, 324260, 387020, 599881, 1199762, 2399524, 2999405, 5998810, 11997620]

約数ペア:

[(1, 11997620), (2, 5998810), (4, 2999405), (5, 2399524), (10, 1199762), (20, 599881), (31, 387020), (37, 324260), (62, 193510), (74, 162130), (124, 96755), (148, 81065), (155, 77404), (185, 64852), (310, 38702), (370, 32426), (523, 22940), (620, 19351), (740, 16213), (1046, 11470), (1147, 10460), (2092, 5735), (2294, 5230), (2615, 4588)]