196119220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{81041}}^1$

素因数の和:81072

約数の個数: 36

約数和(自身を含む): 452700612

約数和(自身を除く): 256581392

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 81041, 162082, 324164, 405205, 810410, 891451, 1620820, 1782902, 3565804, 4457255, 8914510, 9805961, 17829020, 19611922, 39223844, 49029805, 98059610, 196119220]

約数ペア:

[(1, 196119220), (2, 98059610), (4, 49029805), (5, 39223844), (10, 19611922), (11, 17829020), (20, 9805961), (22, 8914510), (44, 4457255), (55, 3565804), (110, 1782902), (121, 1620820), (220, 891451), (242, 810410), (484, 405205), (605, 324164), (1210, 162082), (2420, 81041)]