7849207940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919111}}^1$

素因数の和:919188

約数の個数: 48

約数和(自身を含む): 19146941184

約数和(自身を除く): 11297733244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 919111, 1838222, 3676444, 4595555, 6433777, 9191110, 12867554, 18382220, 25735108, 32168885, 56065771, 64337770, 112131542, 128675540, 224263084, 280328855, 392460397, 560657710, 784920794, 1121315420, 1569841588, 1962301985, 3924603970, 7849207940]

約数ペア:

[(1, 7849207940), (2, 3924603970), (4, 1962301985), (5, 1569841588), (7, 1121315420), (10, 784920794), (14, 560657710), (20, 392460397), (28, 280328855), (35, 224263084), (61, 128675540), (70, 112131542), (122, 64337770), (140, 56065771), (244, 32168885), (305, 25735108), (427, 18382220), (610, 12867554), (854, 9191110), (1220, 6433777), (1708, 4595555), (2135, 3676444), (4270, 1838222), (8540, 919111)]