78495460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 190512000

約数和(自身を除く): 112016540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 29, 34, 38, 58, 68, 76, 85, 95, 116, 145, 170, 190, 290, 323, 340, 380, 419, 493, 551, 580, 646, 838, 986, 1102, 1292, 1615, 1676, 1972, 2095, 2204, 2465, 2755, 3230, 4190, 4930, 5510, 6460, 7123, 7961, 8380, 9367, 9860, 11020, 12151, 14246, 15922, 18734, 24302, 28492, 31844, 35615, 37468, 39805, 46835, 48604, 60755, 71230, 79610, 93670, 121510, 135337, 142460, 159220, 187340, 206567, 230869, 243020, 270674, 413134, 461738, 541348, 676685, 826268, 923476, 1032835, 1154345, 1353370, 2065670, 2308690, 2706740, 3924773, 4131340, 4617380, 7849546, 15699092, 19623865, 39247730, 78495460]

約数ペア:

[(1, 78495460), (2, 39247730), (4, 19623865), (5, 15699092), (10, 7849546), (17, 4617380), (19, 4131340), (20, 3924773), (29, 2706740), (34, 2308690), (38, 2065670), (58, 1353370), (68, 1154345), (76, 1032835), (85, 923476), (95, 826268), (116, 676685), (145, 541348), (170, 461738), (190, 413134), (290, 270674), (323, 243020), (340, 230869), (380, 206567), (419, 187340), (493, 159220), (551, 142460), (580, 135337), (646, 121510), (838, 93670), (986, 79610), (1102, 71230), (1292, 60755), (1615, 48604), (1676, 46835), (1972, 39805), (2095, 37468), (2204, 35615), (2465, 31844), (2755, 28492), (3230, 24302), (4190, 18734), (4930, 15922), (5510, 14246), (6460, 12151), (7123, 11020), (7961, 9860), (8380, 9367)]