239718820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{57349}}^1$

素因数の和:57388

約数の個数: 48

約数和(自身を含む): 578088000

約数和(自身を除く): 338369180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 57349, 114698, 229396, 286745, 573490, 630839, 1089631, 1146980, 1261678, 2179262, 2523356, 3154195, 4358524, 5448155, 6308390, 10896310, 11985941, 12616780, 21792620, 23971882, 47943764, 59929705, 119859410, 239718820]

約数ペア:

[(1, 239718820), (2, 119859410), (4, 59929705), (5, 47943764), (10, 23971882), (11, 21792620), (19, 12616780), (20, 11985941), (22, 10896310), (38, 6308390), (44, 5448155), (55, 4358524), (76, 3154195), (95, 2523356), (110, 2179262), (190, 1261678), (209, 1146980), (220, 1089631), (380, 630839), (418, 573490), (836, 286745), (1045, 229396), (2090, 114698), (4180, 57349)]