87240580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89021}}^1$

素因数の和:89044

約数の個数: 36

約数和(自身を含む): 213118668

約数和(自身を除く): 125878088

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89021, 178042, 356084, 445105, 623147, 890210, 1246294, 1780420, 2492588, 3115735, 4362029, 6231470, 8724058, 12462940, 17448116, 21810145, 43620290, 87240580]

約数ペア:

[(1, 87240580), (2, 43620290), (4, 21810145), (5, 17448116), (7, 12462940), (10, 8724058), (14, 6231470), (20, 4362029), (28, 3115735), (35, 2492588), (49, 1780420), (70, 1246294), (98, 890210), (140, 623147), (196, 445105), (245, 356084), (490, 178042), (980, 89021)]