77812490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 163749600

約数和(自身を除く): 85937110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 379, 419, 490, 758, 838, 1895, 2095, 2653, 2933, 3790, 4190, 5306, 5866, 13265, 14665, 18571, 20531, 26530, 29330, 37142, 41062, 92855, 102655, 158801, 185710, 205310, 317602, 794005, 1111607, 1588010, 2223214, 5558035, 7781249, 11116070, 15562498, 38906245, 77812490]

約数ペア:

[(1, 77812490), (2, 38906245), (5, 15562498), (7, 11116070), (10, 7781249), (14, 5558035), (35, 2223214), (49, 1588010), (70, 1111607), (98, 794005), (245, 317602), (379, 205310), (419, 185710), (490, 158801), (758, 102655), (838, 92855), (1895, 41062), (2095, 37142), (2653, 29330), (2933, 26530), (3790, 20531), (4190, 18571), (5306, 14665), (5866, 13265)]