1247502025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 2009630304

約数和(自身を除く): 762128279

約数列:

[1, 5, 7, 11, 25, 35, 43, 49, 55, 77, 175, 215, 245, 275, 301, 385, 473, 539, 1075, 1225, 1505, 1925, 2107, 2153, 2365, 2695, 3311, 7525, 10535, 10765, 11825, 13475, 15071, 16555, 23177, 23683, 52675, 53825, 75355, 82775, 92579, 105497, 115885, 118415, 165781, 376775, 462895, 527485, 579425, 592075, 648053, 828905, 1018369, 1160467, 2314475, 2637425, 3240265, 4144525, 4536371, 5091845, 5802335, 7128583, 16201325, 22681855, 25459225, 29011675, 35642915, 49900081, 113409275, 178214575, 249500405, 1247502025]

約数ペア:

[(1, 1247502025), (5, 249500405), (7, 178214575), (11, 113409275), (25, 49900081), (35, 35642915), (43, 29011675), (49, 25459225), (55, 22681855), (77, 16201325), (175, 7128583), (215, 5802335), (245, 5091845), (275, 4536371), (301, 4144525), (385, 3240265), (473, 2637425), (539, 2314475), (1075, 1160467), (1225, 1018369), (1505, 828905), (1925, 648053), (2107, 592075), (2153, 579425), (2365, 527485), (2695, 462895), (3311, 376775), (7525, 165781), (10535, 118415), (10765, 115885), (11825, 105497), (13475, 92579), (15071, 82775), (16555, 75355), (23177, 53825), (23683, 52675)]