648620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 1608768

約数和(自身を除く): 960148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 113, 140, 164, 205, 226, 287, 410, 452, 565, 574, 791, 820, 1130, 1148, 1435, 1582, 2260, 2870, 3164, 3955, 4633, 5740, 7910, 9266, 15820, 18532, 23165, 32431, 46330, 64862, 92660, 129724, 162155, 324310, 648620]

約数ペア:

[(1, 648620), (2, 324310), (4, 162155), (5, 129724), (7, 92660), (10, 64862), (14, 46330), (20, 32431), (28, 23165), (35, 18532), (41, 15820), (70, 9266), (82, 7910), (113, 5740), (140, 4633), (164, 3955), (205, 3164), (226, 2870), (287, 2260), (410, 1582), (452, 1435), (565, 1148), (574, 1130), (791, 820)]