139854220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{57791}}^1$

素因数の和:57822

約数の個数: 36

約数和(自身を含む): 322826112

約数和(自身を除く): 182971892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 57791, 115582, 231164, 288955, 577910, 635701, 1155820, 1271402, 2542804, 3178505, 6357010, 6992711, 12714020, 13985422, 27970844, 34963555, 69927110, 139854220]

約数ペア:

[(1, 139854220), (2, 69927110), (4, 34963555), (5, 27970844), (10, 13985422), (11, 12714020), (20, 6992711), (22, 6357010), (44, 3178505), (55, 2542804), (110, 1271402), (121, 1155820), (220, 635701), (242, 577910), (484, 288955), (605, 231164), (1210, 115582), (2420, 57791)]