78940540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5813}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 191443392

約数和(自身を除く): 112502852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 5813, 6790, 11626, 13580, 23252, 29065, 40691, 58130, 81382, 116260, 162764, 203455, 406910, 563861, 813820, 1127722, 2255444, 2819305, 3947027, 5638610, 7894054, 11277220, 15788108, 19735135, 39470270, 78940540]

約数ペア:

[(1, 78940540), (2, 39470270), (4, 19735135), (5, 15788108), (7, 11277220), (10, 7894054), (14, 5638610), (20, 3947027), (28, 2819305), (35, 2255444), (70, 1127722), (97, 813820), (140, 563861), (194, 406910), (388, 203455), (485, 162764), (679, 116260), (970, 81382), (1358, 58130), (1940, 40691), (2716, 29065), (3395, 23252), (5813, 13580), (6790, 11626)]