28776410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 32459590

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 85, 130, 145, 170, 221, 290, 377, 442, 449, 493, 754, 898, 986, 1105, 1885, 2210, 2245, 2465, 3770, 4490, 4930, 5837, 6409, 7633, 11674, 12818, 13021, 15266, 26042, 29185, 32045, 38165, 58370, 64090, 65105, 76330, 99229, 130210, 169273, 198458, 221357, 338546, 442714, 496145, 846365, 992290, 1106785, 1692730, 2213570, 2877641, 5755282, 14388205, 28776410]

約数ペア:

[(1, 28776410), (2, 14388205), (5, 5755282), (10, 2877641), (13, 2213570), (17, 1692730), (26, 1106785), (29, 992290), (34, 846365), (58, 496145), (65, 442714), (85, 338546), (130, 221357), (145, 198458), (170, 169273), (221, 130210), (290, 99229), (377, 76330), (442, 65105), (449, 64090), (493, 58370), (754, 38165), (898, 32045), (986, 29185), (1105, 26042), (1885, 15266), (2210, 13021), (2245, 12818), (2465, 11674), (3770, 7633), (4490, 6409), (4930, 5837)]