181405520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^2\times {\mathrm{241}}^1$

素因数の和:448

約数の個数: 60

約数和(自身を含む): 427929084

約数和(自身を除く): 246523564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 241, 388, 482, 485, 776, 964, 970, 1205, 1552, 1928, 1940, 2410, 3856, 3880, 4820, 7760, 9409, 9640, 18818, 19280, 23377, 37636, 46754, 47045, 75272, 93508, 94090, 116885, 150544, 187016, 188180, 233770, 374032, 376360, 467540, 752720, 935080, 1870160, 2267569, 4535138, 9070276, 11337845, 18140552, 22675690, 36281104, 45351380, 90702760, 181405520]

約数ペア:

[(1, 181405520), (2, 90702760), (4, 45351380), (5, 36281104), (8, 22675690), (10, 18140552), (16, 11337845), (20, 9070276), (40, 4535138), (80, 2267569), (97, 1870160), (194, 935080), (241, 752720), (388, 467540), (482, 376360), (485, 374032), (776, 233770), (964, 188180), (970, 187016), (1205, 150544), (1552, 116885), (1928, 94090), (1940, 93508), (2410, 75272), (3856, 47045), (3880, 46754), (4820, 37636), (7760, 23377), (9409, 19280), (9640, 18818)]