28331380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18397}}^1$

素因数の和:18424

約数の個数: 48

約数和(自身を含む): 74180736

約数和(自身を除く): 45849356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18397, 36794, 73588, 91985, 128779, 183970, 202367, 257558, 367940, 404734, 515116, 643895, 809468, 1011835, 1287790, 1416569, 2023670, 2575580, 2833138, 4047340, 5666276, 7082845, 14165690, 28331380]

約数ペア:

[(1, 28331380), (2, 14165690), (4, 7082845), (5, 5666276), (7, 4047340), (10, 2833138), (11, 2575580), (14, 2023670), (20, 1416569), (22, 1287790), (28, 1011835), (35, 809468), (44, 643895), (55, 515116), (70, 404734), (77, 367940), (110, 257558), (140, 202367), (154, 183970), (220, 128779), (308, 91985), (385, 73588), (770, 36794), (1540, 18397)]