290967490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{1259}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 579156480

約数和(自身を除く): 288188990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 191, 242, 382, 605, 955, 1210, 1259, 1910, 2101, 2518, 4202, 6295, 10505, 12590, 13849, 21010, 23111, 27698, 46222, 69245, 115555, 138490, 152339, 231110, 240469, 304678, 480938, 761695, 1202345, 1523390, 2404690, 2645159, 5290318, 13225795, 26451590, 29096749, 58193498, 145483745, 290967490]

約数ペア:

[(1, 290967490), (2, 145483745), (5, 58193498), (10, 29096749), (11, 26451590), (22, 13225795), (55, 5290318), (110, 2645159), (121, 2404690), (191, 1523390), (242, 1202345), (382, 761695), (605, 480938), (955, 304678), (1210, 240469), (1259, 231110), (1910, 152339), (2101, 138490), (2518, 115555), (4202, 69245), (6295, 46222), (10505, 27698), (12590, 23111), (13849, 21010)]