187842140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{128659}}^1$

素因数の和:128741

約数の個数: 24

約数和(自身を含む): 399875280

約数和(自身を除く): 212033140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 128659, 257318, 514636, 643295, 1286590, 2573180, 9392107, 18784214, 37568428, 46960535, 93921070, 187842140]

約数ペア:

[(1, 187842140), (2, 93921070), (4, 46960535), (5, 37568428), (10, 18784214), (20, 9392107), (73, 2573180), (146, 1286590), (292, 643295), (365, 514636), (730, 257318), (1460, 128659)]