157296020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15391}}^1$

素因数の和:15480

約数の個数: 48

約数和(自身を含む): 382706688

約数和(自身を除く): 225410668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 15391, 30782, 61564, 76955, 107737, 153910, 215474, 307820, 430948, 538685, 1077370, 1123543, 2154740, 2247086, 4494172, 5617715, 7864801, 11235430, 15729602, 22470860, 31459204, 39324005, 78648010, 157296020]

約数ペア:

[(1, 157296020), (2, 78648010), (4, 39324005), (5, 31459204), (7, 22470860), (10, 15729602), (14, 11235430), (20, 7864801), (28, 5617715), (35, 4494172), (70, 2247086), (73, 2154740), (140, 1123543), (146, 1077370), (292, 538685), (365, 430948), (511, 307820), (730, 215474), (1022, 153910), (1460, 107737), (2044, 76955), (2555, 61564), (5110, 30782), (10220, 15391)]