1218086980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{6947}}^1$

素因数の和:7764

約数の個数: 48

約数和(自身を含む): 2794430016

約数和(自身を除く): 1576343036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 797, 1594, 3188, 3985, 6947, 7970, 8767, 13894, 15940, 17534, 27788, 34735, 35068, 43835, 69470, 76417, 87670, 138940, 152834, 175340, 305668, 382085, 764170, 1528340, 5536759, 11073518, 22147036, 27683795, 55367590, 60904349, 110735180, 121808698, 243617396, 304521745, 609043490, 1218086980]

約数ペア:

[(1, 1218086980), (2, 609043490), (4, 304521745), (5, 243617396), (10, 121808698), (11, 110735180), (20, 60904349), (22, 55367590), (44, 27683795), (55, 22147036), (110, 11073518), (220, 5536759), (797, 1528340), (1594, 764170), (3188, 382085), (3985, 305668), (6947, 175340), (7970, 152834), (8767, 138940), (13894, 87670), (15940, 76417), (17534, 69470), (27788, 43835), (34735, 35068)]