2840490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 7593768

約数和(自身を除く): 4753278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 853, 1110, 1665, 1706, 2559, 3330, 4265, 5118, 7677, 8530, 12795, 15354, 25590, 31561, 38385, 63122, 76770, 94683, 157805, 189366, 284049, 315610, 473415, 568098, 946830, 1420245, 2840490]

約数ペア:

[(1, 2840490), (2, 1420245), (3, 946830), (5, 568098), (6, 473415), (9, 315610), (10, 284049), (15, 189366), (18, 157805), (30, 94683), (37, 76770), (45, 63122), (74, 38385), (90, 31561), (111, 25590), (185, 15354), (222, 12795), (333, 8530), (370, 7677), (555, 5118), (666, 4265), (853, 3330), (1110, 2559), (1665, 1706)]