28636580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29221}}^1$

素因数の和:29244

約数の個数: 36

約数和(自身を含む): 69957468

約数和(自身を除く): 41320888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29221, 58442, 116884, 146105, 204547, 292210, 409094, 584420, 818188, 1022735, 1431829, 2045470, 2863658, 4090940, 5727316, 7159145, 14318290, 28636580]

約数ペア:

[(1, 28636580), (2, 14318290), (4, 7159145), (5, 5727316), (7, 4090940), (10, 2863658), (14, 2045470), (20, 1431829), (28, 1022735), (35, 818188), (49, 584420), (70, 409094), (98, 292210), (140, 204547), (196, 146105), (245, 116884), (490, 58442), (980, 29221)]