245721980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{9697}}^1$

素因数の和:9894

約数の個数: 48

約数和(自身を含む): 593052096

約数和(自身を除く): 347330116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 9697, 12670, 19394, 25340, 38788, 48485, 67879, 96970, 135758, 193940, 271516, 339395, 678790, 1357580, 1755157, 3510314, 7020628, 8775785, 12286099, 17551570, 24572198, 35103140, 49144396, 61430495, 122860990, 245721980]

約数ペア:

[(1, 245721980), (2, 122860990), (4, 61430495), (5, 49144396), (7, 35103140), (10, 24572198), (14, 17551570), (20, 12286099), (28, 8775785), (35, 7020628), (70, 3510314), (140, 1755157), (181, 1357580), (362, 678790), (724, 339395), (905, 271516), (1267, 193940), (1810, 135758), (2534, 96970), (3620, 67879), (5068, 48485), (6335, 38788), (9697, 25340), (12670, 19394)]