2149508725

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 108

約数和(自身を含む): 3465348516

約数和(自身を除く): 1315839791

約数列:

[1, 5, 7, 13, 25, 35, 43, 49, 65, 73, 91, 175, 215, 245, 301, 325, 365, 455, 511, 559, 637, 949, 1075, 1225, 1505, 1825, 1849, 2107, 2275, 2555, 2795, 3139, 3185, 3577, 3913, 4745, 6643, 7525, 9245, 10535, 12775, 12943, 13975, 15695, 15925, 17885, 19565, 21973, 23725, 24037, 27391, 33215, 40807, 46225, 46501, 52675, 64715, 78475, 89425, 90601, 97825, 109865, 120185, 134977, 136955, 153811, 166075, 168259, 204035, 232505, 285649, 323575, 453005, 549325, 600925, 674885, 684775, 769055, 841295, 944839, 1020175, 1162525, 1177813, 1428245, 1754701, 1999543, 2265025, 3374425, 3845275, 4206475, 4724195, 5889065, 6613873, 7141225, 8773505, 9997715, 12282907, 23620975, 29445325, 33069365, 43867525, 49988575, 61414535, 85980349, 165346825, 307072675, 429901745, 2149508725]

約数ペア:

[(1, 2149508725), (5, 429901745), (7, 307072675), (13, 165346825), (25, 85980349), (35, 61414535), (43, 49988575), (49, 43867525), (65, 33069365), (73, 29445325), (91, 23620975), (175, 12282907), (215, 9997715), (245, 8773505), (301, 7141225), (325, 6613873), (365, 5889065), (455, 4724195), (511, 4206475), (559, 3845275), (637, 3374425), (949, 2265025), (1075, 1999543), (1225, 1754701), (1505, 1428245), (1825, 1177813), (1849, 1162525), (2107, 1020175), (2275, 944839), (2555, 841295), (2795, 769055), (3139, 684775), (3185, 674885), (3577, 600925), (3913, 549325), (4745, 453005), (6643, 323575), (7525, 285649), (9245, 232505), (10535, 204035), (12775, 168259), (12943, 166075), (13975, 153811), (15695, 136955), (15925, 134977), (17885, 120185), (19565, 109865), (21973, 97825), (23725, 90601), (24037, 89425), (27391, 78475), (33215, 64715), (40807, 52675), (46225, 46501)]