206859632475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1723}}^1$

素因数の和:1990

約数の個数: 144

約数和(自身を含む): 378024376320

約数和(自身を除く): 171164743845

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 191, 255, 289, 425, 435, 493, 573, 725, 867, 955, 1275, 1445, 1479, 1723, 2175, 2465, 2865, 3247, 4335, 4775, 5169, 5539, 7225, 7395, 8381, 8615, 9741, 12325, 14325, 16235, 16617, 21675, 25143, 25845, 27695, 29291, 36975, 41905, 43075, 48705, 49967, 55199, 81175, 83085, 87873, 94163, 125715, 129225, 138475, 146455, 149901, 165597, 209525, 243525, 249835, 275995, 282489, 329093, 415425, 439365, 470815, 497947, 628575, 732275, 749505, 827985, 849439, 987279, 1249175, 1379975, 1412445, 1493841, 1600771, 1645465, 2196825, 2354075, 2489735, 2548317, 3747525, 4139925, 4247195, 4802313, 4936395, 5594581, 7062225, 7469205, 8003855, 8227325, 9543697, 12448675, 12741585, 14440463, 16783743, 21235975, 24011565, 24681975, 27972905, 28631091, 37346025, 40019275, 43321389, 47718485, 63707925, 72202315, 83918715, 95107877, 120057825, 139864525, 143155455, 162242849, 216606945, 238592425, 285323631, 361011575, 419593575, 475539385, 486728547, 715777275, 811214245, 1083034725, 1426618155, 2377696925, 2433642735, 2758128433, 4056071225, 7133090775, 8274385299, 12168213675, 13790642165, 41371926495, 68953210825, 206859632475]

約数ペア:

[(1, 206859632475), (3, 68953210825), (5, 41371926495), (15, 13790642165), (17, 12168213675), (25, 8274385299), (29, 7133090775), (51, 4056071225), (75, 2758128433), (85, 2433642735), (87, 2377696925), (145, 1426618155), (191, 1083034725), (255, 811214245), (289, 715777275), (425, 486728547), (435, 475539385), (493, 419593575), (573, 361011575), (725, 285323631), (867, 238592425), (955, 216606945), (1275, 162242849), (1445, 143155455), (1479, 139864525), (1723, 120057825), (2175, 95107877), (2465, 83918715), (2865, 72202315), (3247, 63707925), (4335, 47718485), (4775, 43321389), (5169, 40019275), (5539, 37346025), (7225, 28631091), (7395, 27972905), (8381, 24681975), (8615, 24011565), (9741, 21235975), (12325, 16783743), (14325, 14440463), (16235, 12741585), (16617, 12448675), (21675, 9543697), (25143, 8227325), (25845, 8003855), (27695, 7469205), (29291, 7062225), (36975, 5594581), (41905, 4936395), (43075, 4802313), (48705, 4247195), (49967, 4139925), (55199, 3747525), (81175, 2548317), (83085, 2489735), (87873, 2354075), (94163, 2196825), (125715, 1645465), (129225, 1600771), (138475, 1493841), (146455, 1412445), (149901, 1379975), (165597, 1249175), (209525, 987279), (243525, 849439), (249835, 827985), (275995, 749505), (282489, 732275), (329093, 628575), (415425, 497947), (439365, 470815)]