151287020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{77983}}^1$

素因数の和:78089

約数の個数: 24

約数和(自身を含む): 320982144

約数和(自身を除く): 169695124

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 77983, 155966, 311932, 389915, 779830, 1559660, 7564351, 15128702, 30257404, 37821755, 75643510, 151287020]

約数ペア:

[(1, 151287020), (2, 75643510), (4, 37821755), (5, 30257404), (10, 15128702), (20, 7564351), (97, 1559660), (194, 779830), (388, 389915), (485, 311932), (970, 155966), (1940, 77983)]