208708060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{86243}}^1$

素因数の和:86274

約数の個数: 36

約数和(自身を含む): 481758984

約数和(自身を除く): 273050924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 86243, 172486, 344972, 431215, 862430, 948673, 1724860, 1897346, 3794692, 4743365, 9486730, 10435403, 18973460, 20870806, 41741612, 52177015, 104354030, 208708060]

約数ペア:

[(1, 208708060), (2, 104354030), (4, 52177015), (5, 41741612), (10, 20870806), (11, 18973460), (20, 10435403), (22, 9486730), (44, 4743365), (55, 3794692), (110, 1897346), (121, 1724860), (220, 948673), (242, 862430), (484, 431215), (605, 344972), (1210, 172486), (2420, 86243)]