353149540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8836

約数の個数: 48

約数和(自身を含む): 775095552

約数和(自身を除く): 421946012

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 8737, 10105, 17474, 20210, 34948, 40420, 43685, 87370, 174740, 375691, 410639, 751382, 821278, 1502764, 1642556, 1878455, 2053195, 3756910, 4106390, 7513820, 8212780, 17657477, 35314954, 70629908, 88287385, 176574770, 353149540]

約数ペア:

[(1, 353149540), (2, 176574770), (4, 88287385), (5, 70629908), (10, 35314954), (20, 17657477), (43, 8212780), (47, 7513820), (86, 4106390), (94, 3756910), (172, 2053195), (188, 1878455), (215, 1642556), (235, 1502764), (430, 821278), (470, 751382), (860, 410639), (940, 375691), (2021, 174740), (4042, 87370), (8084, 43685), (8737, 40420), (10105, 34948), (17474, 20210)]