2225740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 5209344

約数和(自身を除く): 2983604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 151, 220, 268, 302, 335, 604, 670, 737, 755, 1340, 1474, 1510, 1661, 2948, 3020, 3322, 3685, 6644, 7370, 8305, 10117, 14740, 16610, 20234, 33220, 40468, 50585, 101170, 111287, 202340, 222574, 445148, 556435, 1112870, 2225740]

約数ペア:

[(1, 2225740), (2, 1112870), (4, 556435), (5, 445148), (10, 222574), (11, 202340), (20, 111287), (22, 101170), (44, 50585), (55, 40468), (67, 33220), (110, 20234), (134, 16610), (151, 14740), (220, 10117), (268, 8305), (302, 7370), (335, 6644), (604, 3685), (670, 3322), (737, 3020), (755, 2948), (1340, 1661), (1474, 1510)]