139285380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178571}}^1$

素因数の和:178596

約数の個数: 48

約数和(自身を含む): 420001344

約数和(自身を除く): 280715964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178571, 357142, 535713, 714284, 892855, 1071426, 1785710, 2142852, 2321423, 2678565, 3571420, 4642846, 5357130, 6964269, 9285692, 10714260, 11607115, 13928538, 23214230, 27857076, 34821345, 46428460, 69642690, 139285380]

約数ペア:

[(1, 139285380), (2, 69642690), (3, 46428460), (4, 34821345), (5, 27857076), (6, 23214230), (10, 13928538), (12, 11607115), (13, 10714260), (15, 9285692), (20, 6964269), (26, 5357130), (30, 4642846), (39, 3571420), (52, 2678565), (60, 2321423), (65, 2142852), (78, 1785710), (130, 1071426), (156, 892855), (195, 714284), (260, 535713), (390, 357142), (780, 178571)]