2397340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 5824224

約数和(自身を除く): 3426884

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 641, 748, 935, 1282, 1870, 2564, 3205, 3740, 6410, 7051, 10897, 12820, 14102, 21794, 28204, 35255, 43588, 54485, 70510, 108970, 119867, 141020, 217940, 239734, 479468, 599335, 1198670, 2397340]

約数ペア:

[(1, 2397340), (2, 1198670), (4, 599335), (5, 479468), (10, 239734), (11, 217940), (17, 141020), (20, 119867), (22, 108970), (34, 70510), (44, 54485), (55, 43588), (68, 35255), (85, 28204), (110, 21794), (170, 14102), (187, 12820), (220, 10897), (340, 7051), (374, 6410), (641, 3740), (748, 3205), (935, 2564), (1282, 1870)]