7842890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 16547328

約数和(自身を除く): 8704438

約数列:

[1, 2, 5, 10, 11, 22, 37, 41, 47, 55, 74, 82, 94, 110, 185, 205, 235, 370, 407, 410, 451, 470, 517, 814, 902, 1034, 1517, 1739, 1927, 2035, 2255, 2585, 3034, 3478, 3854, 4070, 4510, 5170, 7585, 8695, 9635, 15170, 16687, 17390, 19129, 19270, 21197, 33374, 38258, 42394, 71299, 83435, 95645, 105985, 142598, 166870, 191290, 211970, 356495, 712990, 784289, 1568578, 3921445, 7842890]

約数ペア:

[(1, 7842890), (2, 3921445), (5, 1568578), (10, 784289), (11, 712990), (22, 356495), (37, 211970), (41, 191290), (47, 166870), (55, 142598), (74, 105985), (82, 95645), (94, 83435), (110, 71299), (185, 42394), (205, 38258), (235, 33374), (370, 21197), (407, 19270), (410, 19129), (451, 17390), (470, 16687), (517, 15170), (814, 9635), (902, 8695), (1034, 7585), (1517, 5170), (1739, 4510), (1927, 4070), (2035, 3854), (2255, 3478), (2585, 3034)]