258408080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{461443}}^1$

素因数の和:461463

約数の個数: 40

約数和(自身を含む): 686628672

約数和(自身を除く): 428220592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 461443, 922886, 1845772, 2307215, 3230101, 3691544, 4614430, 6460202, 7383088, 9228860, 12920404, 16150505, 18457720, 25840808, 32301010, 36915440, 51681616, 64602020, 129204040, 258408080]

約数ペア:

[(1, 258408080), (2, 129204040), (4, 64602020), (5, 51681616), (7, 36915440), (8, 32301010), (10, 25840808), (14, 18457720), (16, 16150505), (20, 12920404), (28, 9228860), (35, 7383088), (40, 6460202), (56, 4614430), (70, 3691544), (80, 3230101), (112, 2307215), (140, 1845772), (280, 922886), (560, 461443)]