1290216396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{30781}}^1$

素因数の和:31294

約数の個数: 48

約数和(自身を含む): 3447584000

約数和(自身を除く): 2157367604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 499, 998, 1497, 1996, 2994, 3493, 5988, 6986, 10479, 13972, 20958, 30781, 41916, 61562, 92343, 123124, 184686, 215467, 369372, 430934, 646401, 861868, 1292802, 2585604, 15359719, 30719438, 46079157, 61438876, 92158314, 107518033, 184316628, 215036066, 322554099, 430072132, 645108198, 1290216396]

約数ペア:

[(1, 1290216396), (2, 645108198), (3, 430072132), (4, 322554099), (6, 215036066), (7, 184316628), (12, 107518033), (14, 92158314), (21, 61438876), (28, 46079157), (42, 30719438), (84, 15359719), (499, 2585604), (998, 1292802), (1497, 861868), (1996, 646401), (2994, 430934), (3493, 369372), (5988, 215467), (6986, 184686), (10479, 123124), (13972, 92343), (20958, 61562), (30781, 41916)]