16868140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 37094400

約数和(自身を除く): 20226260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 229, 254, 290, 458, 508, 580, 635, 916, 1145, 1270, 2290, 2540, 3683, 4580, 6641, 7366, 13282, 14732, 18415, 26564, 29083, 33205, 36830, 58166, 66410, 73660, 116332, 132820, 145415, 290830, 581660, 843407, 1686814, 3373628, 4217035, 8434070, 16868140]

約数ペア:

[(1, 16868140), (2, 8434070), (4, 4217035), (5, 3373628), (10, 1686814), (20, 843407), (29, 581660), (58, 290830), (116, 145415), (127, 132820), (145, 116332), (229, 73660), (254, 66410), (290, 58166), (458, 36830), (508, 33205), (580, 29083), (635, 26564), (916, 18415), (1145, 14732), (1270, 13282), (2290, 7366), (2540, 6641), (3683, 4580)]