157422940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{43487}}^1$

素因数の和:43677

約数の個数: 24

約数和(自身を含む): 332422272

約数和(自身を除く): 174999332

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 43487, 86974, 173948, 217435, 434870, 869740, 7871147, 15742294, 31484588, 39355735, 78711470, 157422940]

約数ペア:

[(1, 157422940), (2, 78711470), (4, 39355735), (5, 31484588), (10, 15742294), (20, 7871147), (181, 869740), (362, 434870), (724, 217435), (905, 173948), (1810, 86974), (3620, 43487)]