257768904890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1\times {\mathrm{20849}}^1$

素因数の和:21719

約数の個数: 64

約数和(自身を含む): 532865952000

約数和(自身を除く): 275097047110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 509, 694, 1018, 1735, 2429, 2545, 3470, 3563, 4858, 5090, 7126, 12145, 17815, 20849, 24290, 35630, 41698, 104245, 145943, 176623, 208490, 291886, 353246, 729715, 883115, 1236361, 1459430, 1766230, 2472722, 6181805, 7234603, 10612141, 12363610, 14469206, 21224282, 36173015, 50642221, 53060705, 72346030, 74284987, 101284442, 106121410, 148569974, 253211105, 371424935, 506422210, 742849870, 3682412927, 7364825854, 18412064635, 25776890489, 36824129270, 51553780978, 128884452445, 257768904890]

約数ペア:

[(1, 257768904890), (2, 128884452445), (5, 51553780978), (7, 36824129270), (10, 25776890489), (14, 18412064635), (35, 7364825854), (70, 3682412927), (347, 742849870), (509, 506422210), (694, 371424935), (1018, 253211105), (1735, 148569974), (2429, 106121410), (2545, 101284442), (3470, 74284987), (3563, 72346030), (4858, 53060705), (5090, 50642221), (7126, 36173015), (12145, 21224282), (17815, 14469206), (20849, 12363610), (24290, 10612141), (35630, 7234603), (41698, 6181805), (104245, 2472722), (145943, 1766230), (176623, 1459430), (208490, 1236361), (291886, 883115), (353246, 729715)]