85668380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 206490816

約数和(自身を除く): 120822436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2381, 2570, 3598, 4762, 5140, 7196, 8995, 9524, 11905, 16667, 17990, 23810, 33334, 35980, 47620, 66668, 83335, 166670, 333340, 611917, 1223834, 2447668, 3059585, 4283419, 6119170, 8566838, 12238340, 17133676, 21417095, 42834190, 85668380]

約数ペア:

[(1, 85668380), (2, 42834190), (4, 21417095), (5, 17133676), (7, 12238340), (10, 8566838), (14, 6119170), (20, 4283419), (28, 3059585), (35, 2447668), (70, 1223834), (140, 611917), (257, 333340), (514, 166670), (1028, 83335), (1285, 66668), (1799, 47620), (2381, 35980), (2570, 33334), (3598, 23810), (4762, 17990), (5140, 16667), (7196, 11905), (8995, 9524)]