1889432870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{50291}}^1$

素因数の和:50345

約数の個数: 48

約数和(自身を含む): 3890790288

約数和(自身を除く): 2001357418

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 7514, 18785, 37570, 50291, 100582, 251455, 502910, 653783, 854947, 1307566, 1709894, 3268915, 4274735, 6537830, 8549470, 11114311, 14534099, 22228622, 29068198, 55571555, 72670495, 111143110, 145340990, 188943287, 377886574, 944716435, 1889432870]

約数ペア:

[(1, 1889432870), (2, 944716435), (5, 377886574), (10, 188943287), (13, 145340990), (17, 111143110), (26, 72670495), (34, 55571555), (65, 29068198), (85, 22228622), (130, 14534099), (170, 11114311), (221, 8549470), (289, 6537830), (442, 4274735), (578, 3268915), (1105, 1709894), (1445, 1307566), (2210, 854947), (2890, 653783), (3757, 502910), (7514, 251455), (18785, 100582), (37570, 50291)]