1680888980

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{182309}}^1$

素因数の和:182779

約数の個数: 24

約数和(自身を含む): 3537543240

約数和(自身を除く): 1856654260

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 182309, 364618, 729236, 911545, 1823090, 3646180, 84044449, 168088898, 336177796, 420222245, 840444490, 1680888980]

約数ペア:

[(1, 1680888980), (2, 840444490), (4, 420222245), (5, 336177796), (10, 168088898), (20, 84044449), (461, 3646180), (922, 1823090), (1844, 911545), (2305, 729236), (4610, 364618), (9220, 182309)]