856553390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1289}}^1$

素因数の和:2177

約数の個数: 64

約数和(自身を含む): 1925959680

約数和(自身を除く): 1069406290

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 863, 1289, 1726, 2578, 4315, 6041, 6445, 8630, 9023, 9493, 12082, 12890, 14179, 18046, 18986, 28358, 30205, 45115, 47465, 60410, 66451, 70895, 90230, 94930, 99253, 132902, 141790, 198506, 332255, 496265, 664510, 992530, 1112407, 2224814, 5562035, 7786849, 11124070, 12236477, 15573698, 24472954, 38934245, 61182385, 77868490, 85655339, 122364770, 171310678, 428276695, 856553390]

約数ペア:

[(1, 856553390), (2, 428276695), (5, 171310678), (7, 122364770), (10, 85655339), (11, 77868490), (14, 61182385), (22, 38934245), (35, 24472954), (55, 15573698), (70, 12236477), (77, 11124070), (110, 7786849), (154, 5562035), (385, 2224814), (770, 1112407), (863, 992530), (1289, 664510), (1726, 496265), (2578, 332255), (4315, 198506), (6041, 141790), (6445, 132902), (8630, 99253), (9023, 94930), (9493, 90230), (12082, 70895), (12890, 66451), (14179, 60410), (18046, 47465), (18986, 45115), (28358, 30205)]