690937000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53149}}^1$

素因数の和:53183

約数の個数: 64

約数和(自身を含む): 1741194000

約数和(自身を除く): 1050257000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 53149, 106298, 212596, 265745, 425192, 531490, 690937, 1062980, 1328725, 1381874, 2125960, 2657450, 2763748, 3454685, 5314900, 5527496, 6643625, 6909370, 10629800, 13287250, 13818740, 17273425, 26574500, 27637480, 34546850, 53149000, 69093700, 86367125, 138187400, 172734250, 345468500, 690937000]

約数ペア:

[(1, 690937000), (2, 345468500), (4, 172734250), (5, 138187400), (8, 86367125), (10, 69093700), (13, 53149000), (20, 34546850), (25, 27637480), (26, 26574500), (40, 17273425), (50, 13818740), (52, 13287250), (65, 10629800), (100, 6909370), (104, 6643625), (125, 5527496), (130, 5314900), (200, 3454685), (250, 2763748), (260, 2657450), (325, 2125960), (500, 1381874), (520, 1328725), (650, 1062980), (1000, 690937), (1300, 531490), (1625, 425192), (2600, 265745), (3250, 212596), (6500, 106298), (13000, 53149)]