268696840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{643}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 626895360

約数和(自身を除く): 358198520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 337, 620, 643, 674, 1240, 1286, 1348, 1685, 2572, 2696, 3215, 3370, 5144, 6430, 6740, 10447, 12860, 13480, 19933, 20894, 25720, 39866, 41788, 52235, 79732, 83576, 99665, 104470, 159464, 199330, 208940, 216691, 398660, 417880, 433382, 797320, 866764, 1083455, 1733528, 2166910, 4333820, 6717421, 8667640, 13434842, 26869684, 33587105, 53739368, 67174210, 134348420, 268696840]

約数ペア:

[(1, 268696840), (2, 134348420), (4, 67174210), (5, 53739368), (8, 33587105), (10, 26869684), (20, 13434842), (31, 8667640), (40, 6717421), (62, 4333820), (124, 2166910), (155, 1733528), (248, 1083455), (310, 866764), (337, 797320), (620, 433382), (643, 417880), (674, 398660), (1240, 216691), (1286, 208940), (1348, 199330), (1685, 159464), (2572, 104470), (2696, 99665), (3215, 83576), (3370, 79732), (5144, 52235), (6430, 41788), (6740, 39866), (10447, 25720), (12860, 20894), (13480, 19933)]