1741820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2249860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 109, 170, 188, 218, 235, 340, 436, 470, 545, 799, 940, 1090, 1598, 1853, 2180, 3196, 3706, 3995, 5123, 7412, 7990, 9265, 10246, 15980, 18530, 20492, 25615, 37060, 51230, 87091, 102460, 174182, 348364, 435455, 870910, 1741820]

約数ペア:

[(1, 1741820), (2, 870910), (4, 435455), (5, 348364), (10, 174182), (17, 102460), (20, 87091), (34, 51230), (47, 37060), (68, 25615), (85, 20492), (94, 18530), (109, 15980), (170, 10246), (188, 9265), (218, 7990), (235, 7412), (340, 5123), (436, 3995), (470, 3706), (545, 3196), (799, 2180), (940, 1853), (1090, 1598)]