73681820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 158632320

約数和(自身を除く): 84950500

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 218, 292, 365, 436, 463, 545, 730, 926, 1090, 1460, 1852, 2180, 2315, 4630, 7957, 9260, 15914, 31828, 33799, 39785, 50467, 67598, 79570, 100934, 135196, 159140, 168995, 201868, 252335, 337990, 504670, 675980, 1009340, 3684091, 7368182, 14736364, 18420455, 36840910, 73681820]

約数ペア:

[(1, 73681820), (2, 36840910), (4, 18420455), (5, 14736364), (10, 7368182), (20, 3684091), (73, 1009340), (109, 675980), (146, 504670), (218, 337990), (292, 252335), (365, 201868), (436, 168995), (463, 159140), (545, 135196), (730, 100934), (926, 79570), (1090, 67598), (1460, 50467), (1852, 39785), (2180, 33799), (2315, 31828), (4630, 15914), (7957, 9260)]