90701240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323933}}^1$

素因数の和:323951

約数の個数: 32

約数和(自身を含む): 233232480

約数和(自身を除く): 142531240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323933, 647866, 1295732, 1619665, 2267531, 2591464, 3239330, 4535062, 6478660, 9070124, 11337655, 12957320, 18140248, 22675310, 45350620, 90701240]

約数ペア:

[(1, 90701240), (2, 45350620), (4, 22675310), (5, 18140248), (7, 12957320), (8, 11337655), (10, 9070124), (14, 6478660), (20, 4535062), (28, 3239330), (35, 2591464), (40, 2267531), (56, 1619665), (70, 1295732), (140, 647866), (280, 323933)]