8382220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5443}}^1$

素因数の和:5470

約数の個数: 48

約数和(自身を含む): 21950208

約数和(自身を除く): 13567988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5443, 10886, 21772, 27215, 38101, 54430, 59873, 76202, 108860, 119746, 152404, 190505, 239492, 299365, 381010, 419111, 598730, 762020, 838222, 1197460, 1676444, 2095555, 4191110, 8382220]

約数ペア:

[(1, 8382220), (2, 4191110), (4, 2095555), (5, 1676444), (7, 1197460), (10, 838222), (11, 762020), (14, 598730), (20, 419111), (22, 381010), (28, 299365), (35, 239492), (44, 190505), (55, 152404), (70, 119746), (77, 108860), (110, 76202), (140, 59873), (154, 54430), (220, 38101), (308, 27215), (385, 21772), (770, 10886), (1540, 5443)]