149727340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{152783}}^1$

素因数の和:152806

約数の個数: 36

約数和(自身を含む): 365764896

約数和(自身を除く): 216037556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 152783, 305566, 611132, 763915, 1069481, 1527830, 2138962, 3055660, 4277924, 5347405, 7486367, 10694810, 14972734, 21389620, 29945468, 37431835, 74863670, 149727340]

約数ペア:

[(1, 149727340), (2, 74863670), (4, 37431835), (5, 29945468), (7, 21389620), (10, 14972734), (14, 10694810), (20, 7486367), (28, 5347405), (35, 4277924), (49, 3055660), (70, 2138962), (98, 1527830), (140, 1069481), (196, 763915), (245, 611132), (490, 305566), (980, 152783)]