8520820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 22522752

約数和(自身を除く): 14001932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 503, 605, 770, 847, 1006, 1210, 1540, 1694, 2012, 2420, 2515, 3388, 3521, 4235, 5030, 5533, 7042, 8470, 10060, 11066, 14084, 16940, 17605, 22132, 27665, 35210, 38731, 55330, 60863, 70420, 77462, 110660, 121726, 154924, 193655, 243452, 304315, 387310, 426041, 608630, 774620, 852082, 1217260, 1704164, 2130205, 4260410, 8520820]

約数ペア:

[(1, 8520820), (2, 4260410), (4, 2130205), (5, 1704164), (7, 1217260), (10, 852082), (11, 774620), (14, 608630), (20, 426041), (22, 387310), (28, 304315), (35, 243452), (44, 193655), (55, 154924), (70, 121726), (77, 110660), (110, 77462), (121, 70420), (140, 60863), (154, 55330), (220, 38731), (242, 35210), (308, 27665), (385, 22132), (484, 17605), (503, 16940), (605, 14084), (770, 11066), (847, 10060), (1006, 8470), (1210, 7042), (1540, 5533), (1694, 5030), (2012, 4235), (2420, 3521), (2515, 3388)]