68715640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35059}}^1$

素因数の和:35084

約数の個数: 48

約数和(自身を含む): 179857800

約数和(自身を除く): 111142160

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, 35059, 70118, 140236, 175295, 245413, 280472, 350590, 490826, 701180, 981652, 1227065, 1402360, 1717891, 1963304, 2454130, 3435782, 4908260, 6871564, 8589455, 9816520, 13743128, 17178910, 34357820, 68715640]

約数ペア:

[(1, 68715640), (2, 34357820), (4, 17178910), (5, 13743128), (7, 9816520), (8, 8589455), (10, 6871564), (14, 4908260), (20, 3435782), (28, 2454130), (35, 1963304), (40, 1717891), (49, 1402360), (56, 1227065), (70, 981652), (98, 701180), (140, 490826), (196, 350590), (245, 280472), (280, 245413), (392, 175295), (490, 140236), (980, 70118), (1960, 35059)]