90611157080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{328921}}^1$

素因数の和:329100

約数の個数: 64

約数和(自身を含む): 208878626880

約数和(自身を除く): 118267469800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 97, 142, 194, 284, 355, 388, 485, 568, 710, 776, 970, 1420, 1940, 2840, 3880, 6887, 13774, 27548, 34435, 55096, 68870, 137740, 275480, 328921, 657842, 1315684, 1644605, 2631368, 3289210, 6578420, 13156840, 23353391, 31905337, 46706782, 63810674, 93413564, 116766955, 127621348, 159526685, 186827128, 233533910, 255242696, 319053370, 467067820, 638106740, 934135640, 1276213480, 2265278927, 4530557854, 9061115708, 11326394635, 18122231416, 22652789270, 45305578540, 90611157080]

約数ペア:

[(1, 90611157080), (2, 45305578540), (4, 22652789270), (5, 18122231416), (8, 11326394635), (10, 9061115708), (20, 4530557854), (40, 2265278927), (71, 1276213480), (97, 934135640), (142, 638106740), (194, 467067820), (284, 319053370), (355, 255242696), (388, 233533910), (485, 186827128), (568, 159526685), (710, 127621348), (776, 116766955), (970, 93413564), (1420, 63810674), (1940, 46706782), (2840, 31905337), (3880, 23353391), (6887, 13156840), (13774, 6578420), (27548, 3289210), (34435, 2631368), (55096, 1644605), (68870, 1315684), (137740, 657842), (275480, 328921)]