2989778960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{8461}}^1$

素因数の和:9112

約数の個数: 80

約数和(自身を含む): 7957800192

約数和(自身を除く): 4968021232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 631, 1262, 2524, 3155, 4417, 5048, 6310, 8461, 8834, 10096, 12620, 16922, 17668, 22085, 25240, 33844, 35336, 42305, 44170, 50480, 59227, 67688, 70672, 84610, 88340, 118454, 135376, 169220, 176680, 236908, 296135, 338440, 353360, 473816, 592270, 676880, 947632, 1184540, 2369080, 4738160, 5338891, 10677782, 21355564, 26694455, 37372237, 42711128, 53388910, 74744474, 85422256, 106777820, 149488948, 186861185, 213555640, 298977896, 373722370, 427111280, 597955792, 747444740, 1494889480, 2989778960]

約数ペア:

[(1, 2989778960), (2, 1494889480), (4, 747444740), (5, 597955792), (7, 427111280), (8, 373722370), (10, 298977896), (14, 213555640), (16, 186861185), (20, 149488948), (28, 106777820), (35, 85422256), (40, 74744474), (56, 53388910), (70, 42711128), (80, 37372237), (112, 26694455), (140, 21355564), (280, 10677782), (560, 5338891), (631, 4738160), (1262, 2369080), (2524, 1184540), (3155, 947632), (4417, 676880), (5048, 592270), (6310, 473816), (8461, 353360), (8834, 338440), (10096, 296135), (12620, 236908), (16922, 176680), (17668, 169220), (22085, 135376), (25240, 118454), (33844, 88340), (35336, 84610), (42305, 70672), (44170, 67688), (50480, 59227)]