78394540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19309}}^1$

素因数の和:19354

約数の個数: 48

約数和(自身を含む): 194644800

約数和(自身を除く): 116250260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19309, 38618, 77236, 96545, 135163, 193090, 270326, 386180, 540652, 559961, 675815, 1119922, 1351630, 2239844, 2703260, 2799805, 3919727, 5599610, 7839454, 11199220, 15678908, 19598635, 39197270, 78394540]

約数ペア:

[(1, 78394540), (2, 39197270), (4, 19598635), (5, 15678908), (7, 11199220), (10, 7839454), (14, 5599610), (20, 3919727), (28, 2799805), (29, 2703260), (35, 2239844), (58, 1351630), (70, 1119922), (116, 675815), (140, 559961), (145, 540652), (203, 386180), (290, 270326), (406, 193090), (580, 135163), (812, 96545), (1015, 77236), (2030, 38618), (4060, 19309)]