153260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 329280

約数和(自身を除く): 176020

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 388, 395, 485, 790, 970, 1580, 1940, 7663, 15326, 30652, 38315, 76630, 153260]

約数ペア:

[(1, 153260), (2, 76630), (4, 38315), (5, 30652), (10, 15326), (20, 7663), (79, 1940), (97, 1580), (158, 970), (194, 790), (316, 485), (388, 395)]