2147780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6317}}^1$

素因数の和:6343

約数の個数: 24

約数和(自身を含む): 4776408

約数和(自身を除く): 2628628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 6317, 12634, 25268, 31585, 63170, 107389, 126340, 214778, 429556, 536945, 1073890, 2147780]

約数ペア:

[(1, 2147780), (2, 1073890), (4, 536945), (5, 429556), (10, 214778), (17, 126340), (20, 107389), (34, 63170), (68, 31585), (85, 25268), (170, 12634), (340, 6317)]