209898710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{63799}}^1$

素因数の和:63860

約数の個数: 32

約数和(自身を含む): 440985600

約数和(自身を除く): 231086890

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 63799, 127598, 318995, 446593, 637990, 893186, 2232965, 2998553, 4465930, 5997106, 14992765, 20989871, 29985530, 41979742, 104949355, 209898710]

約数ペア:

[(1, 209898710), (2, 104949355), (5, 41979742), (7, 29985530), (10, 20989871), (14, 14992765), (35, 5997106), (47, 4465930), (70, 2998553), (94, 2232965), (235, 893186), (329, 637990), (470, 446593), (658, 318995), (1645, 127598), (3290, 63799)]