142716460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 305827200

約数和(自身を除く): 163110740

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 239, 292, 365, 409, 478, 730, 818, 956, 1195, 1460, 1636, 2045, 2390, 4090, 4780, 8180, 17447, 29857, 34894, 59714, 69788, 87235, 97751, 119428, 149285, 174470, 195502, 298570, 348940, 391004, 488755, 597140, 977510, 1955020, 7135823, 14271646, 28543292, 35679115, 71358230, 142716460]

約数ペア:

[(1, 142716460), (2, 71358230), (4, 35679115), (5, 28543292), (10, 14271646), (20, 7135823), (73, 1955020), (146, 977510), (239, 597140), (292, 488755), (365, 391004), (409, 348940), (478, 298570), (730, 195502), (818, 174470), (956, 149285), (1195, 119428), (1460, 97751), (1636, 87235), (2045, 69788), (2390, 59714), (4090, 34894), (4780, 29857), (8180, 17447)]