263003180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 611331840

約数和(自身を除く): 348328660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 191, 220, 242, 382, 484, 569, 605, 764, 955, 1138, 1210, 1910, 2101, 2276, 2420, 2845, 3820, 4202, 5690, 6259, 8404, 10505, 11380, 12518, 21010, 23111, 25036, 31295, 42020, 46222, 62590, 68849, 92444, 108679, 115555, 125180, 137698, 217358, 231110, 275396, 344245, 434716, 462220, 543395, 688490, 1086790, 1195469, 1376980, 2173580, 2390938, 4781876, 5977345, 11954690, 13150159, 23909380, 26300318, 52600636, 65750795, 131501590, 263003180]

約数ペア:

[(1, 263003180), (2, 131501590), (4, 65750795), (5, 52600636), (10, 26300318), (11, 23909380), (20, 13150159), (22, 11954690), (44, 5977345), (55, 4781876), (110, 2390938), (121, 2173580), (191, 1376980), (220, 1195469), (242, 1086790), (382, 688490), (484, 543395), (569, 462220), (605, 434716), (764, 344245), (955, 275396), (1138, 231110), (1210, 217358), (1910, 137698), (2101, 125180), (2276, 115555), (2420, 108679), (2845, 92444), (3820, 68849), (4202, 62590), (5690, 46222), (6259, 42020), (8404, 31295), (10505, 25036), (11380, 23111), (12518, 21010)]