2195878180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3541739}}^1$

素因数の和:3541779

約数の個数: 24

約数和(自身を含む): 4760098560

約数和(自身を除く): 2564220380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3541739, 7083478, 14166956, 17708695, 35417390, 70834780, 109793909, 219587818, 439175636, 548969545, 1097939090, 2195878180]

約数ペア:

[(1, 2195878180), (2, 1097939090), (4, 548969545), (5, 439175636), (10, 219587818), (20, 109793909), (31, 70834780), (62, 35417390), (124, 17708695), (155, 14166956), (310, 7083478), (620, 3541739)]