2578907540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{67759}}^1$

素因数の和:67952

約数の個数: 48

約数和(自身を含む): 5942280960

約数和(自身を除く): 3363373420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 7612, 9515, 19030, 38060, 67759, 135518, 271036, 338795, 677590, 745349, 1355180, 1490698, 2981396, 3726745, 7453490, 11722307, 14906980, 23444614, 46889228, 58611535, 117223070, 128945377, 234446140, 257890754, 515781508, 644726885, 1289453770, 2578907540]

約数ペア:

[(1, 2578907540), (2, 1289453770), (4, 644726885), (5, 515781508), (10, 257890754), (11, 234446140), (20, 128945377), (22, 117223070), (44, 58611535), (55, 46889228), (110, 23444614), (173, 14906980), (220, 11722307), (346, 7453490), (692, 3726745), (865, 2981396), (1730, 1490698), (1903, 1355180), (3460, 745349), (3806, 677590), (7612, 338795), (9515, 271036), (19030, 135518), (38060, 67759)]