78833020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19417}}^1$

素因数の和:19462

約数の個数: 48

約数和(自身を含む): 195733440

約数和(自身を除く): 116900420

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, 19417, 38834, 77668, 97085, 135919, 194170, 271838, 388340, 543676, 563093, 679595, 1126186, 1359190, 2252372, 2718380, 2815465, 3941651, 5630930, 7883302, 11261860, 15766604, 19708255, 39416510, 78833020]

約数ペア:

[(1, 78833020), (2, 39416510), (4, 19708255), (5, 15766604), (7, 11261860), (10, 7883302), (14, 5630930), (20, 3941651), (28, 2815465), (29, 2718380), (35, 2252372), (58, 1359190), (70, 1126186), (116, 679595), (140, 563093), (145, 543676), (203, 388340), (290, 271838), (406, 194170), (580, 135919), (812, 97085), (1015, 77668), (2030, 38834), (4060, 19417)]