209968210

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 382454784

約数和(自身を除く): 172486574

約数列:

[1, 2, 5, 10, 191, 211, 382, 422, 521, 955, 1042, 1055, 1910, 2110, 2605, 5210, 40301, 80602, 99511, 109931, 199022, 201505, 219862, 403010, 497555, 549655, 995110, 1099310, 20996821, 41993642, 104984105, 209968210]

約数ペア:

[(1, 209968210), (2, 104984105), (5, 41993642), (10, 20996821), (191, 1099310), (211, 995110), (382, 549655), (422, 497555), (521, 403010), (955, 219862), (1042, 201505), (1055, 199022), (1910, 109931), (2110, 99511), (2605, 80602), (5210, 40301)]