87435320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312269}}^1$

素因数の和:312287

約数の個数: 32

約数和(自身を含む): 224834400

約数和(自身を除く): 137399080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312269, 624538, 1249076, 1561345, 2185883, 2498152, 3122690, 4371766, 6245380, 8743532, 10929415, 12490760, 17487064, 21858830, 43717660, 87435320]

約数ペア:

[(1, 87435320), (2, 43717660), (4, 21858830), (5, 17487064), (7, 12490760), (8, 10929415), (10, 8743532), (14, 6245380), (20, 4371766), (28, 3122690), (35, 2498152), (40, 2185883), (56, 1561345), (70, 1249076), (140, 624538), (280, 312269)]