253138930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{2803}}^1$

素因数の和:3642

約数の個数: 32

約数和(自身を含む): 497855808

約数和(自身を除く): 244716878

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 821, 1642, 2803, 4105, 5606, 8210, 9031, 14015, 18062, 28030, 30833, 45155, 61666, 90310, 154165, 308330, 2301263, 4602526, 11506315, 23012630, 25313893, 50627786, 126569465, 253138930]

約数ペア:

[(1, 253138930), (2, 126569465), (5, 50627786), (10, 25313893), (11, 23012630), (22, 11506315), (55, 4602526), (110, 2301263), (821, 308330), (1642, 154165), (2803, 90310), (4105, 61666), (5606, 45155), (8210, 30833), (9031, 28030), (14015, 18062)]