89239640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{318713}}^1$

素因数の和:318731

約数の個数: 32

約数和(自身を含む): 229474080

約数和(自身を除く): 140234440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 318713, 637426, 1274852, 1593565, 2230991, 2549704, 3187130, 4461982, 6374260, 8923964, 11154955, 12748520, 17847928, 22309910, 44619820, 89239640]

約数ペア:

[(1, 89239640), (2, 44619820), (4, 22309910), (5, 17847928), (7, 12748520), (8, 11154955), (10, 8923964), (14, 6374260), (20, 4461982), (28, 3187130), (35, 2549704), (40, 2230991), (56, 1593565), (70, 1274852), (140, 637426), (280, 318713)]