520055900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57149}}^1$

素因数の和:57183

約数の個数: 72

約数和(自身を含む): 1388973600

約数和(自身を除く): 868917700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 57149, 114298, 228596, 285745, 400043, 571490, 742937, 800086, 1142980, 1428725, 1485874, 1600172, 2000215, 2857450, 2971748, 3714685, 4000430, 5200559, 5714900, 7429370, 8000860, 10001075, 10401118, 14858740, 18573425, 20002150, 20802236, 26002795, 37146850, 40004300, 52005590, 74293700, 104011180, 130013975, 260027950, 520055900]

約数ペア:

[(1, 520055900), (2, 260027950), (4, 130013975), (5, 104011180), (7, 74293700), (10, 52005590), (13, 40004300), (14, 37146850), (20, 26002795), (25, 20802236), (26, 20002150), (28, 18573425), (35, 14858740), (50, 10401118), (52, 10001075), (65, 8000860), (70, 7429370), (91, 5714900), (100, 5200559), (130, 4000430), (140, 3714685), (175, 2971748), (182, 2857450), (260, 2000215), (325, 1600172), (350, 1485874), (364, 1428725), (455, 1142980), (650, 800086), (700, 742937), (910, 571490), (1300, 400043), (1820, 285745), (2275, 228596), (4550, 114298), (9100, 57149)]