218120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 604800

約数和(自身を除く): 386680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 380, 410, 532, 574, 665, 760, 779, 820, 1064, 1148, 1330, 1435, 1558, 1640, 2296, 2660, 2870, 3116, 3895, 5320, 5453, 5740, 6232, 7790, 10906, 11480, 15580, 21812, 27265, 31160, 43624, 54530, 109060, 218120]

約数ペア:

[(1, 218120), (2, 109060), (4, 54530), (5, 43624), (7, 31160), (8, 27265), (10, 21812), (14, 15580), (19, 11480), (20, 10906), (28, 7790), (35, 6232), (38, 5740), (40, 5453), (41, 5320), (56, 3895), (70, 3116), (76, 2870), (82, 2660), (95, 2296), (133, 1640), (140, 1558), (152, 1435), (164, 1330), (190, 1148), (205, 1064), (266, 820), (280, 779), (287, 760), (328, 665), (380, 574), (410, 532)]