1998680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 4654800

約数和(自身を除く): 2656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1723, 3446, 6892, 8615, 13784, 17230, 34460, 49967, 68920, 99934, 199868, 249835, 399736, 499670, 999340, 1998680]

約数ペア:

[(1, 1998680), (2, 999340), (4, 499670), (5, 399736), (8, 249835), (10, 199868), (20, 99934), (29, 68920), (40, 49967), (58, 34460), (116, 17230), (145, 13784), (232, 8615), (290, 6892), (580, 3446), (1160, 1723)]