1274980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1324

約数の個数: 36

約数和(自身を含む): 3116988

約数和(自身を除く): 1842008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1301, 2602, 5204, 6505, 9107, 13010, 18214, 26020, 36428, 45535, 63749, 91070, 127498, 182140, 254996, 318745, 637490, 1274980]

約数ペア:

[(1, 1274980), (2, 637490), (4, 318745), (5, 254996), (7, 182140), (10, 127498), (14, 91070), (20, 63749), (28, 45535), (35, 36428), (49, 26020), (70, 18214), (98, 13010), (140, 9107), (196, 6505), (245, 5204), (490, 2602), (980, 1301)]