208078403875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 287801579520

約数和(自身を除く): 79723175645

約数列:

[1, 5, 23, 25, 29, 61, 115, 125, 145, 163, 251, 305, 575, 667, 725, 815, 1255, 1403, 1525, 1769, 2875, 3335, 3625, 3749, 4075, 4727, 5773, 6275, 7015, 7279, 7625, 8845, 9943, 15311, 16675, 18745, 20375, 23635, 28865, 31375, 35075, 36395, 40687, 40913, 44225, 49715, 76555, 83375, 93725, 108721, 118175, 144325, 167417, 175375, 181975, 203435, 204565, 221125, 228689, 248575, 288347, 352153, 382775, 444019, 468625, 543605, 590875, 721625, 837085, 909875, 940999, 1017175, 1022825, 1143445, 1186477, 1242875, 1441735, 1760765, 1913875, 2220095, 2495693, 2718025, 4185425, 4704995, 5085875, 5114125, 5717225, 5932385, 6631981, 7208675, 8803825, 10212437, 11100475, 12478465, 13590125, 20927125, 23524975, 27288971, 28586125, 29661925, 33159905, 36043375, 44019125, 51062185, 55502375, 57400939, 62392325, 72375097, 117624875, 136444855, 148309625, 165799525, 255310925, 287004695, 311961625, 361875485, 682224275, 828997625, 1276554625, 1435023475, 1664627231, 1809377425, 3411121375, 7175117375, 8323136155, 9046887125, 41615680775, 208078403875]

約数ペア:

[(1, 208078403875), (5, 41615680775), (23, 9046887125), (25, 8323136155), (29, 7175117375), (61, 3411121375), (115, 1809377425), (125, 1664627231), (145, 1435023475), (163, 1276554625), (251, 828997625), (305, 682224275), (575, 361875485), (667, 311961625), (725, 287004695), (815, 255310925), (1255, 165799525), (1403, 148309625), (1525, 136444855), (1769, 117624875), (2875, 72375097), (3335, 62392325), (3625, 57400939), (3749, 55502375), (4075, 51062185), (4727, 44019125), (5773, 36043375), (6275, 33159905), (7015, 29661925), (7279, 28586125), (7625, 27288971), (8845, 23524975), (9943, 20927125), (15311, 13590125), (16675, 12478465), (18745, 11100475), (20375, 10212437), (23635, 8803825), (28865, 7208675), (31375, 6631981), (35075, 5932385), (36395, 5717225), (40687, 5114125), (40913, 5085875), (44225, 4704995), (49715, 4185425), (76555, 2718025), (83375, 2495693), (93725, 2220095), (108721, 1913875), (118175, 1760765), (144325, 1441735), (167417, 1242875), (175375, 1186477), (181975, 1143445), (203435, 1022825), (204565, 1017175), (221125, 940999), (228689, 909875), (248575, 837085), (288347, 721625), (352153, 590875), (382775, 543605), (444019, 468625)]