331322840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{104849}}^1$

素因数の和:104939

約数の個数: 32

約数和(自身を含む): 754920000

約数和(自身を除く): 423597160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 104849, 209698, 419396, 524245, 838792, 1048490, 2096980, 4193960, 8283071, 16566142, 33132284, 41415355, 66264568, 82830710, 165661420, 331322840]

約数ペア:

[(1, 331322840), (2, 165661420), (4, 82830710), (5, 66264568), (8, 41415355), (10, 33132284), (20, 16566142), (40, 8283071), (79, 4193960), (158, 2096980), (316, 1048490), (395, 838792), (632, 524245), (790, 419396), (1580, 209698), (3160, 104849)]