313645060

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 669994416

約数和(自身を除く): 356349356

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 274, 452, 548, 565, 685, 1013, 1130, 1370, 2026, 2260, 2740, 4052, 5065, 10130, 15481, 20260, 30962, 61924, 77405, 114469, 138781, 154810, 228938, 277562, 309620, 457876, 555124, 572345, 693905, 1144690, 1387810, 2289380, 2775620, 15682253, 31364506, 62729012, 78411265, 156822530, 313645060]

約数ペア:

[(1, 313645060), (2, 156822530), (4, 78411265), (5, 62729012), (10, 31364506), (20, 15682253), (113, 2775620), (137, 2289380), (226, 1387810), (274, 1144690), (452, 693905), (548, 572345), (565, 555124), (685, 457876), (1013, 309620), (1130, 277562), (1370, 228938), (2026, 154810), (2260, 138781), (2740, 114469), (4052, 77405), (5065, 61924), (10130, 30962), (15481, 20260)]