199547640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{554299}}^1$

素因数の和:554316

約数の個数: 48

約数和(自身を含む): 648531000

約数和(自身を除く): 448983360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 554299, 1108598, 1662897, 2217196, 2771495, 3325794, 4434392, 4988691, 5542990, 6651588, 8314485, 9977382, 11085980, 13303176, 16628970, 19954764, 22171960, 24943455, 33257940, 39909528, 49886910, 66515880, 99773820, 199547640]

約数ペア:

[(1, 199547640), (2, 99773820), (3, 66515880), (4, 49886910), (5, 39909528), (6, 33257940), (8, 24943455), (9, 22171960), (10, 19954764), (12, 16628970), (15, 13303176), (18, 11085980), (20, 9977382), (24, 8314485), (30, 6651588), (36, 5542990), (40, 4988691), (45, 4434392), (60, 3325794), (72, 2771495), (90, 2217196), (120, 1662897), (180, 1108598), (360, 554299)]