90477380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646267}}^1$

素因数の和:646283

約数の個数: 24

約数和(自身を含む): 217146048

約数和(自身を除く): 126668668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646267, 1292534, 2585068, 3231335, 4523869, 6462670, 9047738, 12925340, 18095476, 22619345, 45238690, 90477380]

約数ペア:

[(1, 90477380), (2, 45238690), (4, 22619345), (5, 18095476), (7, 12925340), (10, 9047738), (14, 6462670), (20, 4523869), (28, 3231335), (35, 2585068), (70, 1292534), (140, 646267)]