1285679620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{37571}}^1$

素因数の和:37668

約数の個数: 48

約数和(自身を含む): 2840443200

約数和(自身を除く): 1554763580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 3422, 6844, 8555, 17110, 34220, 37571, 75142, 150284, 187855, 375710, 751420, 1089559, 2179118, 2216689, 4358236, 4433378, 5447795, 8866756, 10895590, 11083445, 21791180, 22166890, 44333780, 64283981, 128567962, 257135924, 321419905, 642839810, 1285679620]

約数ペア:

[(1, 1285679620), (2, 642839810), (4, 321419905), (5, 257135924), (10, 128567962), (20, 64283981), (29, 44333780), (58, 22166890), (59, 21791180), (116, 11083445), (118, 10895590), (145, 8866756), (236, 5447795), (290, 4433378), (295, 4358236), (580, 2216689), (590, 2179118), (1180, 1089559), (1711, 751420), (3422, 375710), (6844, 187855), (8555, 150284), (17110, 75142), (34220, 37571)]