84700840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 218655360

約数和(自身を除く): 133954520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 746, 811, 1492, 1622, 1865, 2611, 2984, 3244, 3730, 4055, 5222, 5677, 6488, 7460, 8110, 10444, 11354, 13055, 14920, 16220, 20888, 22708, 26110, 28385, 32440, 45416, 52220, 56770, 104440, 113540, 227080, 302503, 605006, 1210012, 1512515, 2117521, 2420024, 3025030, 4235042, 6050060, 8470084, 10587605, 12100120, 16940168, 21175210, 42350420, 84700840]

約数ペア:

[(1, 84700840), (2, 42350420), (4, 21175210), (5, 16940168), (7, 12100120), (8, 10587605), (10, 8470084), (14, 6050060), (20, 4235042), (28, 3025030), (35, 2420024), (40, 2117521), (56, 1512515), (70, 1210012), (140, 605006), (280, 302503), (373, 227080), (746, 113540), (811, 104440), (1492, 56770), (1622, 52220), (1865, 45416), (2611, 32440), (2984, 28385), (3244, 26110), (3730, 22708), (4055, 20888), (5222, 16220), (5677, 14920), (6488, 13055), (7460, 11354), (8110, 10444)]