2257940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 5216400

約数和(自身を除く): 2958460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 229, 290, 340, 458, 493, 580, 916, 986, 1145, 1972, 2290, 2465, 3893, 4580, 4930, 6641, 7786, 9860, 13282, 15572, 19465, 26564, 33205, 38930, 66410, 77860, 112897, 132820, 225794, 451588, 564485, 1128970, 2257940]

約数ペア:

[(1, 2257940), (2, 1128970), (4, 564485), (5, 451588), (10, 225794), (17, 132820), (20, 112897), (29, 77860), (34, 66410), (58, 38930), (68, 33205), (85, 26564), (116, 19465), (145, 15572), (170, 13282), (229, 9860), (290, 7786), (340, 6641), (458, 4930), (493, 4580), (580, 3893), (916, 2465), (986, 2290), (1145, 1972)]