348940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 745920

約数和(自身を除く): 396980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 239, 292, 365, 478, 730, 956, 1195, 1460, 2390, 4780, 17447, 34894, 69788, 87235, 174470, 348940]

約数ペア:

[(1, 348940), (2, 174470), (4, 87235), (5, 69788), (10, 34894), (20, 17447), (73, 4780), (146, 2390), (239, 1460), (292, 1195), (365, 956), (478, 730)]