20171405170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{607}}^1\times {\mathrm{67819}}^1$

素因数の和:68447

約数の個数: 48

約数和(自身を含む): 42306658560

約数和(自身を除く): 22135253390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 607, 1214, 3035, 4249, 6070, 8498, 21245, 29743, 42490, 59486, 67819, 135638, 148715, 297430, 339095, 474733, 678190, 949466, 2373665, 3323131, 4747330, 6646262, 16615655, 33231310, 41166133, 82332266, 205830665, 288162931, 411661330, 576325862, 1440814655, 2017140517, 2881629310, 4034281034, 10085702585, 20171405170]

約数ペア:

[(1, 20171405170), (2, 10085702585), (5, 4034281034), (7, 2881629310), (10, 2017140517), (14, 1440814655), (35, 576325862), (49, 411661330), (70, 288162931), (98, 205830665), (245, 82332266), (490, 41166133), (607, 33231310), (1214, 16615655), (3035, 6646262), (4249, 4747330), (6070, 3323131), (8498, 2373665), (21245, 949466), (29743, 678190), (42490, 474733), (59486, 339095), (67819, 297430), (135638, 148715)]