850998520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{811}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 1971698400

約数和(自身を除く): 1120699880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 709, 740, 811, 1418, 1480, 1622, 2836, 3244, 3545, 4055, 5672, 6488, 7090, 8110, 14180, 16220, 26233, 28360, 30007, 32440, 52466, 60014, 104932, 120028, 131165, 150035, 209864, 240056, 262330, 300070, 524660, 574999, 600140, 1049320, 1149998, 1200280, 2299996, 2874995, 4599992, 5749990, 11499980, 21274963, 22999960, 42549926, 85099852, 106374815, 170199704, 212749630, 425499260, 850998520]

約数ペア:

[(1, 850998520), (2, 425499260), (4, 212749630), (5, 170199704), (8, 106374815), (10, 85099852), (20, 42549926), (37, 22999960), (40, 21274963), (74, 11499980), (148, 5749990), (185, 4599992), (296, 2874995), (370, 2299996), (709, 1200280), (740, 1149998), (811, 1049320), (1418, 600140), (1480, 574999), (1622, 524660), (2836, 300070), (3244, 262330), (3545, 240056), (4055, 209864), (5672, 150035), (6488, 131165), (7090, 120028), (8110, 104932), (14180, 60014), (16220, 52466), (26233, 32440), (28360, 30007)]