885920

素因数分解:

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

素因数の和:142

約数の個数: 72

約数和(自身を含む): 2456244

約数和(自身を除く): 1570324

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 160, 196, 224, 226, 245, 280, 392, 452, 490, 560, 565, 784, 791, 904, 980, 1120, 1130, 1568, 1582, 1808, 1960, 2260, 3164, 3616, 3920, 3955, 4520, 5537, 6328, 7840, 7910, 9040, 11074, 12656, 15820, 18080, 22148, 25312, 27685, 31640, 44296, 55370, 63280, 88592, 110740, 126560, 177184, 221480, 442960, 885920]

約数ペア:

[(1, 885920), (2, 442960), (4, 221480), (5, 177184), (7, 126560), (8, 110740), (10, 88592), (14, 63280), (16, 55370), (20, 44296), (28, 31640), (32, 27685), (35, 25312), (40, 22148), (49, 18080), (56, 15820), (70, 12656), (80, 11074), (98, 9040), (112, 7910), (113, 7840), (140, 6328), (160, 5537), (196, 4520), (224, 3955), (226, 3920), (245, 3616), (280, 3164), (392, 2260), (452, 1960), (490, 1808), (560, 1582), (565, 1568), (784, 1130), (791, 1120), (904, 980)]