71311897780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{190297}}^1$

素因数の和:190804

約数の個数: 48

約数和(自身を含む): 153744037776

約数和(自身を除く): 82432139996

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 457, 820, 914, 1828, 2285, 4570, 9140, 18737, 37474, 74948, 93685, 187370, 190297, 374740, 380594, 761188, 951485, 1902970, 3805940, 7802177, 15604354, 31208708, 39010885, 78021770, 86965729, 156043540, 173931458, 347862916, 434828645, 869657290, 1739314580, 3565594889, 7131189778, 14262379556, 17827974445, 35655948890, 71311897780]

約数ペア:

[(1, 71311897780), (2, 35655948890), (4, 17827974445), (5, 14262379556), (10, 7131189778), (20, 3565594889), (41, 1739314580), (82, 869657290), (164, 434828645), (205, 347862916), (410, 173931458), (457, 156043540), (820, 86965729), (914, 78021770), (1828, 39010885), (2285, 31208708), (4570, 15604354), (9140, 7802177), (18737, 3805940), (37474, 1902970), (74948, 951485), (93685, 761188), (187370, 380594), (190297, 374740)]