8857240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4519}}^1$

素因数の和:4544

約数の個数: 48

約数和(自身を含む): 23187600

約数和(自身を除く): 14330360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4519, 9038, 18076, 22595, 31633, 36152, 45190, 63266, 90380, 126532, 158165, 180760, 221431, 253064, 316330, 442862, 632660, 885724, 1107155, 1265320, 1771448, 2214310, 4428620, 8857240]

約数ペア:

[(1, 8857240), (2, 4428620), (4, 2214310), (5, 1771448), (7, 1265320), (8, 1107155), (10, 885724), (14, 632660), (20, 442862), (28, 316330), (35, 253064), (40, 221431), (49, 180760), (56, 158165), (70, 126532), (98, 90380), (140, 63266), (196, 45190), (245, 36152), (280, 31633), (392, 22595), (490, 18076), (980, 9038), (1960, 4519)]