868840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 2332800

約数和(自身を除く): 1463960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 107, 116, 140, 145, 203, 214, 232, 280, 290, 406, 428, 535, 580, 749, 812, 856, 1015, 1070, 1160, 1498, 1624, 2030, 2140, 2996, 3103, 3745, 4060, 4280, 5992, 6206, 7490, 8120, 12412, 14980, 15515, 21721, 24824, 29960, 31030, 43442, 62060, 86884, 108605, 124120, 173768, 217210, 434420, 868840]

約数ペア:

[(1, 868840), (2, 434420), (4, 217210), (5, 173768), (7, 124120), (8, 108605), (10, 86884), (14, 62060), (20, 43442), (28, 31030), (29, 29960), (35, 24824), (40, 21721), (56, 15515), (58, 14980), (70, 12412), (107, 8120), (116, 7490), (140, 6206), (145, 5992), (203, 4280), (214, 4060), (232, 3745), (280, 3103), (290, 2996), (406, 2140), (428, 2030), (535, 1624), (580, 1498), (749, 1160), (812, 1070), (856, 1015)]