2019938620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{25357}}^1$

素因数の和:25942

約数の個数: 48

約数和(自身を含む): 4856564160

約数和(自身を除く): 2836625540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2276, 2845, 3983, 5690, 7966, 11380, 15932, 19915, 25357, 39830, 50714, 79660, 101428, 126785, 177499, 253570, 354998, 507140, 709996, 887495, 1774990, 3549980, 14428133, 28856266, 57712532, 72140665, 100996931, 144281330, 201993862, 288562660, 403987724, 504984655, 1009969310, 2019938620]

約数ペア:

[(1, 2019938620), (2, 1009969310), (4, 504984655), (5, 403987724), (7, 288562660), (10, 201993862), (14, 144281330), (20, 100996931), (28, 72140665), (35, 57712532), (70, 28856266), (140, 14428133), (569, 3549980), (1138, 1774990), (2276, 887495), (2845, 709996), (3983, 507140), (5690, 354998), (7966, 253570), (11380, 177499), (15932, 126785), (19915, 101428), (25357, 79660), (39830, 50714)]