384215240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{309851}}^1$

素因数の和:309893

約数の個数: 32

約数和(自身を含む): 892373760

約数和(自身を除く): 508158520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 309851, 619702, 1239404, 1549255, 2478808, 3098510, 6197020, 9605381, 12394040, 19210762, 38421524, 48026905, 76843048, 96053810, 192107620, 384215240]

約数ペア:

[(1, 384215240), (2, 192107620), (4, 96053810), (5, 76843048), (8, 48026905), (10, 38421524), (20, 19210762), (31, 12394040), (40, 9605381), (62, 6197020), (124, 3098510), (155, 2478808), (248, 1549255), (310, 1239404), (620, 619702), (1240, 309851)]