31274660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 68823552

約数和(自身を除く): 37548892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 691, 730, 1382, 1460, 2263, 2764, 3455, 4526, 6910, 9052, 11315, 13820, 21421, 22630, 42842, 45260, 50443, 85684, 100886, 107105, 201772, 214210, 252215, 428420, 504430, 1008860, 1563733, 3127466, 6254932, 7818665, 15637330, 31274660]

約数ペア:

[(1, 31274660), (2, 15637330), (4, 7818665), (5, 6254932), (10, 3127466), (20, 1563733), (31, 1008860), (62, 504430), (73, 428420), (124, 252215), (146, 214210), (155, 201772), (292, 107105), (310, 100886), (365, 85684), (620, 50443), (691, 45260), (730, 42842), (1382, 22630), (1460, 21421), (2263, 13820), (2764, 11315), (3455, 9052), (4526, 6910)]