28749834680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{51109}}^1$

素因数の和:51182

約数の個数: 128

約数和(自身を含む): 77278320000

約数和(自身を除く): 48528485320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 343, 392, 410, 490, 574, 686, 820, 980, 1148, 1372, 1435, 1640, 1715, 1960, 2009, 2296, 2744, 2870, 3430, 4018, 5740, 6860, 8036, 10045, 11480, 13720, 14063, 16072, 20090, 28126, 40180, 51109, 56252, 70315, 80360, 102218, 112504, 140630, 204436, 255545, 281260, 357763, 408872, 511090, 562520, 715526, 1022180, 1431052, 1788815, 2044360, 2095469, 2504341, 2862104, 3577630, 4190938, 5008682, 7155260, 8381876, 10017364, 10477345, 12521705, 14310520, 14668283, 16763752, 17530387, 20034728, 20954690, 25043410, 29336566, 35060774, 41909380, 50086820, 58673132, 70121548, 73341415, 83818760, 87651935, 100173640, 102677981, 117346264, 140243096, 146682830, 175303870, 205355962, 293365660, 350607740, 410711924, 513389905, 586731320, 701215480, 718745867, 821423848, 1026779810, 1437491734, 2053559620, 2874983468, 3593729335, 4107119240, 5749966936, 7187458670, 14374917340, 28749834680]

約数ペア:

[(1, 28749834680), (2, 14374917340), (4, 7187458670), (5, 5749966936), (7, 4107119240), (8, 3593729335), (10, 2874983468), (14, 2053559620), (20, 1437491734), (28, 1026779810), (35, 821423848), (40, 718745867), (41, 701215480), (49, 586731320), (56, 513389905), (70, 410711924), (82, 350607740), (98, 293365660), (140, 205355962), (164, 175303870), (196, 146682830), (205, 140243096), (245, 117346264), (280, 102677981), (287, 100173640), (328, 87651935), (343, 83818760), (392, 73341415), (410, 70121548), (490, 58673132), (574, 50086820), (686, 41909380), (820, 35060774), (980, 29336566), (1148, 25043410), (1372, 20954690), (1435, 20034728), (1640, 17530387), (1715, 16763752), (1960, 14668283), (2009, 14310520), (2296, 12521705), (2744, 10477345), (2870, 10017364), (3430, 8381876), (4018, 7155260), (5740, 5008682), (6860, 4190938), (8036, 3577630), (10045, 2862104), (11480, 2504341), (13720, 2095469), (14063, 2044360), (16072, 1788815), (20090, 1431052), (28126, 1022180), (40180, 715526), (51109, 562520), (56252, 511090), (70315, 408872), (80360, 357763), (102218, 281260), (112504, 255545), (140630, 204436)]