9900220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4091}}^1$

素因数の和:4122

約数の個数: 36

約数和(自身を含む): 22857912

約数和(自身を除く): 12957692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 4091, 8182, 16364, 20455, 40910, 45001, 81820, 90002, 180004, 225005, 450010, 495011, 900020, 990022, 1980044, 2475055, 4950110, 9900220]

約数ペア:

[(1, 9900220), (2, 4950110), (4, 2475055), (5, 1980044), (10, 990022), (11, 900020), (20, 495011), (22, 450010), (44, 225005), (55, 180004), (110, 90002), (121, 81820), (220, 45001), (242, 40910), (484, 20455), (605, 16364), (1210, 8182), (2420, 4091)]