1178198780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{2549}}^1$

素因数の和:2771

約数の個数: 72

約数和(自身を含む): 2734905600

約数和(自身を除く): 1556706820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 191, 220, 242, 382, 484, 605, 764, 955, 1210, 1910, 2101, 2420, 2549, 3820, 4202, 5098, 8404, 10196, 10505, 12745, 21010, 23111, 25490, 28039, 42020, 46222, 50980, 56078, 92444, 112156, 115555, 140195, 231110, 280390, 308429, 462220, 486859, 560780, 616858, 973718, 1233716, 1542145, 1947436, 2434295, 3084290, 4868590, 5355449, 6168580, 9737180, 10710898, 21421796, 26777245, 53554490, 58909939, 107108980, 117819878, 235639756, 294549695, 589099390, 1178198780]

約数ペア:

[(1, 1178198780), (2, 589099390), (4, 294549695), (5, 235639756), (10, 117819878), (11, 107108980), (20, 58909939), (22, 53554490), (44, 26777245), (55, 21421796), (110, 10710898), (121, 9737180), (191, 6168580), (220, 5355449), (242, 4868590), (382, 3084290), (484, 2434295), (605, 1947436), (764, 1542145), (955, 1233716), (1210, 973718), (1910, 616858), (2101, 560780), (2420, 486859), (2549, 462220), (3820, 308429), (4202, 280390), (5098, 231110), (8404, 140195), (10196, 115555), (10505, 112156), (12745, 92444), (21010, 56078), (23111, 50980), (25490, 46222), (28039, 42020)]