442960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{113}}^1$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 1208628

約数和(自身を除く): 765668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 196, 226, 245, 280, 392, 452, 490, 560, 565, 784, 791, 904, 980, 1130, 1582, 1808, 1960, 2260, 3164, 3920, 3955, 4520, 5537, 6328, 7910, 9040, 11074, 12656, 15820, 22148, 27685, 31640, 44296, 55370, 63280, 88592, 110740, 221480, 442960]

約数ペア:

[(1, 442960), (2, 221480), (4, 110740), (5, 88592), (7, 63280), (8, 55370), (10, 44296), (14, 31640), (16, 27685), (20, 22148), (28, 15820), (35, 12656), (40, 11074), (49, 9040), (56, 7910), (70, 6328), (80, 5537), (98, 4520), (112, 3955), (113, 3920), (140, 3164), (196, 2260), (226, 1960), (245, 1808), (280, 1582), (392, 1130), (452, 980), (490, 904), (560, 791), (565, 784)]