213470620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{88211}}^1$

素因数の和:88242

約数の個数: 36

約数和(自身を含む): 492752232

約数和(自身を除く): 279281612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 88211, 176422, 352844, 441055, 882110, 970321, 1764220, 1940642, 3881284, 4851605, 9703210, 10673531, 19406420, 21347062, 42694124, 53367655, 106735310, 213470620]

約数ペア:

[(1, 213470620), (2, 106735310), (4, 53367655), (5, 42694124), (10, 21347062), (11, 19406420), (20, 10673531), (22, 9703210), (44, 4851605), (55, 3881284), (110, 1940642), (121, 1764220), (220, 970321), (242, 882110), (484, 441055), (605, 352844), (1210, 176422), (2420, 88211)]