8330420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 20173440

約数和(自身を除く): 11843020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 379, 628, 758, 785, 1099, 1516, 1570, 1895, 2198, 2653, 3140, 3790, 4396, 5306, 5495, 7580, 10612, 10990, 13265, 21980, 26530, 53060, 59503, 119006, 238012, 297515, 416521, 595030, 833042, 1190060, 1666084, 2082605, 4165210, 8330420]

約数ペア:

[(1, 8330420), (2, 4165210), (4, 2082605), (5, 1666084), (7, 1190060), (10, 833042), (14, 595030), (20, 416521), (28, 297515), (35, 238012), (70, 119006), (140, 59503), (157, 53060), (314, 26530), (379, 21980), (628, 13265), (758, 10990), (785, 10612), (1099, 7580), (1516, 5495), (1570, 5306), (1895, 4396), (2198, 3790), (2653, 3140)]