888916820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{367321}}^1$

素因数の和:367352

約数の個数: 36

約数和(自身を含む): 2051860692

約数和(自身を除く): 1162943872

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 367321, 734642, 1469284, 1836605, 3673210, 4040531, 7346420, 8081062, 16162124, 20202655, 40405310, 44445841, 80810620, 88891682, 177783364, 222229205, 444458410, 888916820]

約数ペア:

[(1, 888916820), (2, 444458410), (4, 222229205), (5, 177783364), (10, 88891682), (11, 80810620), (20, 44445841), (22, 40405310), (44, 20202655), (55, 16162124), (110, 8081062), (121, 7346420), (220, 4040531), (242, 3673210), (484, 1836605), (605, 1469284), (1210, 734642), (2420, 367321)]