2950220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 7629888

約数和(自身を除く): 4679668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1621, 1820, 3242, 6484, 8105, 11347, 16210, 21073, 22694, 32420, 42146, 45388, 56735, 84292, 105365, 113470, 147511, 210730, 226940, 295022, 421460, 590044, 737555, 1475110, 2950220]

約数ペア:

[(1, 2950220), (2, 1475110), (4, 737555), (5, 590044), (7, 421460), (10, 295022), (13, 226940), (14, 210730), (20, 147511), (26, 113470), (28, 105365), (35, 84292), (52, 56735), (65, 45388), (70, 42146), (91, 32420), (130, 22694), (140, 21073), (182, 16210), (260, 11347), (364, 8105), (455, 6484), (910, 3242), (1621, 1820)]