400524490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{13759}}^1$

素因数の和:13878

約数の個数: 32

約数和(自身を含む): 748984320

約数和(自身を除く): 348459830

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2911, 5822, 13759, 14555, 27518, 29110, 68795, 137590, 564119, 976889, 1128238, 1953778, 2820595, 4884445, 5641190, 9768890, 40052449, 80104898, 200262245, 400524490]

約数ペア:

[(1, 400524490), (2, 200262245), (5, 80104898), (10, 40052449), (41, 9768890), (71, 5641190), (82, 4884445), (142, 2820595), (205, 1953778), (355, 1128238), (410, 976889), (710, 564119), (2911, 137590), (5822, 68795), (13759, 29110), (14555, 27518)]