220147570

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 403543296

約数和(自身を除く): 183395726

約数列:

[1, 2, 5, 10, 71, 142, 311, 355, 622, 710, 997, 1555, 1994, 3110, 4985, 9970, 22081, 44162, 70787, 110405, 141574, 220810, 310067, 353935, 620134, 707870, 1550335, 3100670, 22014757, 44029514, 110073785, 220147570]

約数ペア:

[(1, 220147570), (2, 110073785), (5, 44029514), (10, 22014757), (71, 3100670), (142, 1550335), (311, 707870), (355, 620134), (622, 353935), (710, 310067), (997, 220810), (1555, 141574), (1994, 110405), (3110, 70787), (4985, 44162), (9970, 22081)]