831640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 1982880

約数和(自身を除く): 1151240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1223, 2446, 4892, 6115, 9784, 12230, 20791, 24460, 41582, 48920, 83164, 103955, 166328, 207910, 415820, 831640]

約数ペア:

[(1, 831640), (2, 415820), (4, 207910), (5, 166328), (8, 103955), (10, 83164), (17, 48920), (20, 41582), (34, 24460), (40, 20791), (68, 12230), (85, 9784), (136, 6115), (170, 4892), (340, 2446), (680, 1223)]