1198040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 2745360

約数和(自身を除く): 1547320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 491, 610, 982, 1220, 1964, 2440, 2455, 3928, 4910, 9820, 19640, 29951, 59902, 119804, 149755, 239608, 299510, 599020, 1198040]

約数ペア:

[(1, 1198040), (2, 599020), (4, 299510), (5, 239608), (8, 149755), (10, 119804), (20, 59902), (40, 29951), (61, 19640), (122, 9820), (244, 4910), (305, 3928), (488, 2455), (491, 2440), (610, 1964), (982, 1220)]