15704993660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1\times {\mathrm{2459}}^1$

素因数の和:4286

約数の個数: 48

約数和(自身を含む): 33181837920

約数和(自身を除く): 17476844260

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1621, 1970, 2459, 3242, 3940, 4918, 6484, 8105, 9836, 12295, 16210, 24590, 32420, 49180, 319337, 484423, 638674, 968846, 1277348, 1596685, 1937692, 2422115, 3193370, 3986039, 4844230, 6386740, 7972078, 9688460, 15944156, 19930195, 39860390, 79720780, 785249683, 1570499366, 3140998732, 3926248415, 7852496830, 15704993660]

約数ペア:

[(1, 15704993660), (2, 7852496830), (4, 3926248415), (5, 3140998732), (10, 1570499366), (20, 785249683), (197, 79720780), (394, 39860390), (788, 19930195), (985, 15944156), (1621, 9688460), (1970, 7972078), (2459, 6386740), (3242, 4844230), (3940, 3986039), (4918, 3193370), (6484, 2422115), (8105, 1937692), (9836, 1596685), (12295, 1277348), (16210, 968846), (24590, 638674), (32420, 484423), (49180, 319337)]