209310430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{15493}}^1$

素因数の和:15700

約数の個数: 32

約数和(自身を含む): 432840384

約数和(自身を除く): 223529954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 6755, 13510, 15493, 30986, 77465, 108451, 154930, 216902, 542255, 1084510, 2990149, 5980298, 14950745, 20931043, 29901490, 41862086, 104655215, 209310430]

約数ペア:

[(1, 209310430), (2, 104655215), (5, 41862086), (7, 29901490), (10, 20931043), (14, 14950745), (35, 5980298), (70, 2990149), (193, 1084510), (386, 542255), (965, 216902), (1351, 154930), (1930, 108451), (2702, 77465), (6755, 30986), (13510, 15493)]