888964760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{3847}}^1$

素因数の和:4020

約数の個数: 64

約数和(自身を含む): 2057140800

約数和(自身を除く): 1168176040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 872, 1060, 1090, 2120, 2180, 3847, 4360, 5777, 7694, 11554, 15388, 19235, 23108, 28885, 30776, 38470, 46216, 57770, 76940, 115540, 153880, 203891, 231080, 407782, 419323, 815564, 838646, 1019455, 1631128, 1677292, 2038910, 2096615, 3354584, 4077820, 4193230, 8155640, 8386460, 16772920, 22224119, 44448238, 88896476, 111120595, 177792952, 222241190, 444482380, 888964760]

約数ペア:

[(1, 888964760), (2, 444482380), (4, 222241190), (5, 177792952), (8, 111120595), (10, 88896476), (20, 44448238), (40, 22224119), (53, 16772920), (106, 8386460), (109, 8155640), (212, 4193230), (218, 4077820), (265, 3354584), (424, 2096615), (436, 2038910), (530, 1677292), (545, 1631128), (872, 1019455), (1060, 838646), (1090, 815564), (2120, 419323), (2180, 407782), (3847, 231080), (4360, 203891), (5777, 153880), (7694, 115540), (11554, 76940), (15388, 57770), (19235, 46216), (23108, 38470), (28885, 30776)]