289257070

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 526046400

約数和(自身を除く): 236789330

約数列:

[1, 2, 5, 10, 197, 359, 394, 409, 718, 818, 985, 1795, 1970, 2045, 3590, 4090, 70723, 80573, 141446, 146831, 161146, 293662, 353615, 402865, 707230, 734155, 805730, 1468310, 28925707, 57851414, 144628535, 289257070]

約数ペア:

[(1, 289257070), (2, 144628535), (5, 57851414), (10, 28925707), (197, 1468310), (359, 805730), (394, 734155), (409, 707230), (718, 402865), (818, 353615), (985, 293662), (1795, 161146), (1970, 146831), (2045, 141446), (3590, 80573), (4090, 70723)]