8401960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 22216320

約数和(自身を除く): 13814360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 811, 1036, 1295, 1480, 1622, 2072, 2590, 3244, 4055, 5180, 5677, 6488, 8110, 10360, 11354, 16220, 22708, 28385, 30007, 32440, 45416, 56770, 60014, 113540, 120028, 150035, 210049, 227080, 240056, 300070, 420098, 600140, 840196, 1050245, 1200280, 1680392, 2100490, 4200980, 8401960]

約数ペア:

[(1, 8401960), (2, 4200980), (4, 2100490), (5, 1680392), (7, 1200280), (8, 1050245), (10, 840196), (14, 600140), (20, 420098), (28, 300070), (35, 240056), (37, 227080), (40, 210049), (56, 150035), (70, 120028), (74, 113540), (140, 60014), (148, 56770), (185, 45416), (259, 32440), (280, 30007), (296, 28385), (370, 22708), (518, 16220), (740, 11354), (811, 10360), (1036, 8110), (1295, 6488), (1480, 5677), (1622, 5180), (2072, 4055), (2590, 3244)]