201785980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{917209}}^1$

素因数の和:917229

約数の個数: 24

約数和(自身を含む): 462273840

約数和(自身を除く): 260487860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 917209, 1834418, 3668836, 4586045, 9172090, 10089299, 18344180, 20178598, 40357196, 50446495, 100892990, 201785980]

約数ペア:

[(1, 201785980), (2, 100892990), (4, 50446495), (5, 40357196), (10, 20178598), (11, 18344180), (20, 10089299), (22, 9172090), (44, 4586045), (55, 3668836), (110, 1834418), (220, 917209)]