71845900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 179426016

約数和(自身を除く): 107580116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 521, 700, 788, 985, 1042, 1379, 1970, 2084, 2605, 2758, 3647, 3940, 4925, 5210, 5516, 6895, 7294, 9850, 10420, 13025, 13790, 14588, 18235, 19700, 26050, 27580, 34475, 36470, 52100, 68950, 72940, 91175, 102637, 137900, 182350, 205274, 364700, 410548, 513185, 718459, 1026370, 1436918, 2052740, 2565925, 2873836, 3592295, 5131850, 7184590, 10263700, 14369180, 17961475, 35922950, 71845900]

約数ペア:

[(1, 71845900), (2, 35922950), (4, 17961475), (5, 14369180), (7, 10263700), (10, 7184590), (14, 5131850), (20, 3592295), (25, 2873836), (28, 2565925), (35, 2052740), (50, 1436918), (70, 1026370), (100, 718459), (140, 513185), (175, 410548), (197, 364700), (350, 205274), (394, 182350), (521, 137900), (700, 102637), (788, 91175), (985, 72940), (1042, 68950), (1379, 52100), (1970, 36470), (2084, 34475), (2605, 27580), (2758, 26050), (3647, 19700), (3940, 18235), (4925, 14588), (5210, 13790), (5516, 13025), (6895, 10420), (7294, 9850)]