890276255

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 1266904800

約数和(自身を除く): 376628545

約数列:

[1, 5, 11, 19, 41, 55, 95, 121, 205, 209, 451, 605, 779, 1045, 1889, 2255, 2299, 3895, 4961, 8569, 9445, 11495, 20779, 24805, 35891, 42845, 77449, 94259, 103895, 179455, 228569, 387245, 394801, 471295, 851939, 1142845, 1471531, 1974005, 4259695, 4342811, 7357655, 9371329, 16186841, 21714055, 46856645, 80934205, 178055251, 890276255]

約数ペア:

[(1, 890276255), (5, 178055251), (11, 80934205), (19, 46856645), (41, 21714055), (55, 16186841), (95, 9371329), (121, 7357655), (205, 4342811), (209, 4259695), (451, 1974005), (605, 1471531), (779, 1142845), (1045, 851939), (1889, 471295), (2255, 394801), (2299, 387245), (3895, 228569), (4961, 179455), (8569, 103895), (9445, 94259), (11495, 77449), (20779, 42845), (24805, 35891)]