31039100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3929}}^1$

素因数の和:4022

約数の個数: 36

約数和(自身を含む): 68224800

約数和(自身を除く): 37185700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3929, 3950, 7858, 7900, 15716, 19645, 39290, 78580, 98225, 196450, 310391, 392900, 620782, 1241564, 1551955, 3103910, 6207820, 7759775, 15519550, 31039100]

約数ペア:

[(1, 31039100), (2, 15519550), (4, 7759775), (5, 6207820), (10, 3103910), (20, 1551955), (25, 1241564), (50, 620782), (79, 392900), (100, 310391), (158, 196450), (316, 98225), (395, 78580), (790, 39290), (1580, 19645), (1975, 15716), (3929, 7900), (3950, 7858)]