209992311890

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1051}}^1\times {\mathrm{47459}}^1$

素因数の和:48938

約数の個数: 32

約数和(自身を含む): 379252480320

約数和(自身を除く): 169260168430

約数列:

[1, 2, 5, 10, 421, 842, 1051, 2102, 2105, 4210, 5255, 10510, 47459, 94918, 237295, 442471, 474590, 884942, 2212355, 4424710, 19980239, 39960478, 49879409, 99758818, 99901195, 199802390, 249397045, 498794090, 20999231189, 41998462378, 104996155945, 209992311890]

約数ペア:

[(1, 209992311890), (2, 104996155945), (5, 41998462378), (10, 20999231189), (421, 498794090), (842, 249397045), (1051, 199802390), (2102, 99901195), (2105, 99758818), (4210, 49879409), (5255, 39960478), (10510, 19980239), (47459, 4424710), (94918, 2212355), (237295, 884942), (442471, 474590)]