256974410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3119}}^1$

素因数の和:3251

約数の個数: 64

約数和(自身を含む): 582266880

約数和(自身を除く): 325292470

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 385, 535, 749, 770, 1070, 1177, 1498, 2354, 3119, 3745, 5885, 6238, 7490, 8239, 11770, 15595, 16478, 21833, 31190, 34309, 41195, 43666, 68618, 82390, 109165, 171545, 218330, 240163, 333733, 343090, 480326, 667466, 1200815, 1668665, 2336131, 2401630, 3337330, 3671063, 4672262, 7342126, 11680655, 18355315, 23361310, 25697441, 36710630, 51394882, 128487205, 256974410]

約数ペア:

[(1, 256974410), (2, 128487205), (5, 51394882), (7, 36710630), (10, 25697441), (11, 23361310), (14, 18355315), (22, 11680655), (35, 7342126), (55, 4672262), (70, 3671063), (77, 3337330), (107, 2401630), (110, 2336131), (154, 1668665), (214, 1200815), (385, 667466), (535, 480326), (749, 343090), (770, 333733), (1070, 240163), (1177, 218330), (1498, 171545), (2354, 109165), (3119, 82390), (3745, 68618), (5885, 43666), (6238, 41195), (7490, 34309), (8239, 31190), (11770, 21833), (15595, 16478)]