28004310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{821}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 73092240

約数和(自身を除く): 45087930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 379, 758, 821, 1137, 1642, 1895, 2274, 2463, 3411, 3790, 4105, 4926, 5685, 6822, 7389, 8210, 11370, 12315, 14778, 17055, 24630, 34110, 36945, 73890, 311159, 622318, 933477, 1555795, 1866954, 2800431, 3111590, 4667385, 5600862, 9334770, 14002155, 28004310]

約数ペア:

[(1, 28004310), (2, 14002155), (3, 9334770), (5, 5600862), (6, 4667385), (9, 3111590), (10, 2800431), (15, 1866954), (18, 1555795), (30, 933477), (45, 622318), (90, 311159), (379, 73890), (758, 36945), (821, 34110), (1137, 24630), (1642, 17055), (1895, 14778), (2274, 12315), (2463, 11370), (3411, 8210), (3790, 7389), (4105, 6822), (4926, 5685)]