18825082400

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:947

約数の個数: 144

約数和(自身を含む): 46471400640

約数和(自身を除く): 27646318240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 229, 400, 422, 458, 487, 800, 844, 916, 974, 1055, 1145, 1688, 1832, 1948, 2110, 2290, 2435, 3376, 3664, 3896, 4220, 4580, 4870, 5275, 5725, 6752, 7328, 7792, 8440, 9160, 9740, 10550, 11450, 12175, 15584, 16880, 18320, 19480, 21100, 22900, 24350, 33760, 36640, 38960, 42200, 45800, 48319, 48700, 77920, 84400, 91600, 96638, 97400, 102757, 111523, 168800, 183200, 193276, 194800, 205514, 223046, 241595, 386552, 389600, 411028, 446092, 483190, 513785, 557615, 773104, 822056, 892184, 966380, 1027570, 1115230, 1207975, 1546208, 1644112, 1784368, 1932760, 2055140, 2230460, 2415950, 2568925, 2788075, 3288224, 3568736, 3865520, 4110280, 4460920, 4831900, 5137850, 5576150, 7731040, 8220560, 8921840, 9663800, 10275700, 11152300, 16441120, 17843680, 19327600, 20551400, 22304600, 23531353, 38655200, 41102800, 44609200, 47062706, 82205600, 89218400, 94125412, 117656765, 188250824, 235313530, 376501648, 470627060, 588283825, 753003296, 941254120, 1176567650, 1882508240, 2353135300, 3765016480, 4706270600, 9412541200, 18825082400]

約数ペア:

[(1, 18825082400), (2, 9412541200), (4, 4706270600), (5, 3765016480), (8, 2353135300), (10, 1882508240), (16, 1176567650), (20, 941254120), (25, 753003296), (32, 588283825), (40, 470627060), (50, 376501648), (80, 235313530), (100, 188250824), (160, 117656765), (200, 94125412), (211, 89218400), (229, 82205600), (400, 47062706), (422, 44609200), (458, 41102800), (487, 38655200), (800, 23531353), (844, 22304600), (916, 20551400), (974, 19327600), (1055, 17843680), (1145, 16441120), (1688, 11152300), (1832, 10275700), (1948, 9663800), (2110, 8921840), (2290, 8220560), (2435, 7731040), (3376, 5576150), (3664, 5137850), (3896, 4831900), (4220, 4460920), (4580, 4110280), (4870, 3865520), (5275, 3568736), (5725, 3288224), (6752, 2788075), (7328, 2568925), (7792, 2415950), (8440, 2230460), (9160, 2055140), (9740, 1932760), (10550, 1784368), (11450, 1644112), (12175, 1546208), (15584, 1207975), (16880, 1115230), (18320, 1027570), (19480, 966380), (21100, 892184), (22900, 822056), (24350, 773104), (33760, 557615), (36640, 513785), (38960, 483190), (42200, 446092), (45800, 411028), (48319, 389600), (48700, 386552), (77920, 241595), (84400, 223046), (91600, 205514), (96638, 194800), (97400, 193276), (102757, 183200), (111523, 168800)]