29996780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2311}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 69914880

約数和(自身を除く): 39918100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2311, 2596, 3245, 4622, 6490, 9244, 11555, 12980, 23110, 25421, 46220, 50842, 101684, 127105, 136349, 254210, 272698, 508420, 545396, 681745, 1363490, 1499839, 2726980, 2999678, 5999356, 7499195, 14998390, 29996780]

約数ペア:

[(1, 29996780), (2, 14998390), (4, 7499195), (5, 5999356), (10, 2999678), (11, 2726980), (20, 1499839), (22, 1363490), (44, 681745), (55, 545396), (59, 508420), (110, 272698), (118, 254210), (220, 136349), (236, 127105), (295, 101684), (590, 50842), (649, 46220), (1180, 25421), (1298, 23110), (2311, 12980), (2596, 11555), (3245, 9244), (4622, 6490)]