269968220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 580462848

約数和(自身を除く): 310494628

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 991, 1028, 1060, 1285, 1982, 2570, 3964, 4955, 5140, 9910, 13621, 19820, 27242, 52523, 54484, 68105, 105046, 136210, 210092, 254687, 262615, 272420, 509374, 525230, 1018748, 1050460, 1273435, 2546870, 5093740, 13498411, 26996822, 53993644, 67492055, 134984110, 269968220]

約数ペア:

[(1, 269968220), (2, 134984110), (4, 67492055), (5, 53993644), (10, 26996822), (20, 13498411), (53, 5093740), (106, 2546870), (212, 1273435), (257, 1050460), (265, 1018748), (514, 525230), (530, 509374), (991, 272420), (1028, 262615), (1060, 254687), (1285, 210092), (1982, 136210), (2570, 105046), (3964, 68105), (4955, 54484), (5140, 52523), (9910, 27242), (13621, 19820)]