178288630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{18787}}^1$

素因数の和:18880

約数の個数: 32

約数和(自身を含む): 350358624

約数和(自身を除く): 172069994

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 18787, 37574, 93935, 187870, 244231, 488462, 1221155, 1371451, 2442310, 2742902, 6857255, 13714510, 17828863, 35657726, 89144315, 178288630]

約数ペア:

[(1, 178288630), (2, 89144315), (5, 35657726), (10, 17828863), (13, 13714510), (26, 6857255), (65, 2742902), (73, 2442310), (130, 1371451), (146, 1221155), (365, 488462), (730, 244231), (949, 187870), (1898, 93935), (4745, 37574), (9490, 18787)]