395660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 845376

約数和(自身を除く): 449716

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 271, 292, 365, 542, 730, 1084, 1355, 1460, 2710, 5420, 19783, 39566, 79132, 98915, 197830, 395660]

約数ペア:

[(1, 395660), (2, 197830), (4, 98915), (5, 79132), (10, 39566), (20, 19783), (73, 5420), (146, 2710), (271, 1460), (292, 1355), (365, 1084), (542, 730)]