258889250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{54503}}^1$

素因数の和:54539

約数の個数: 32

約数和(自身を含む): 510157440

約数和(自身を除く): 251268190

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 54503, 109006, 272515, 545030, 1035557, 1362575, 2071114, 2725150, 5177785, 6812875, 10355570, 13625750, 25888925, 51777850, 129444625, 258889250]

約数ペア:

[(1, 258889250), (2, 129444625), (5, 51777850), (10, 25888925), (19, 13625750), (25, 10355570), (38, 6812875), (50, 5177785), (95, 2725150), (125, 2071114), (190, 1362575), (250, 1035557), (475, 545030), (950, 272515), (2375, 109006), (4750, 54503)]