201149784020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17659}}^1\times {\mathrm{5639}}^1$

素因数の和:23408

約数の個数: 48

約数和(自身を含む): 426696681600

約数和(自身を除く): 225546897580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 5639, 11278, 17659, 22556, 28195, 35318, 56390, 70636, 88295, 112780, 176590, 353180, 569539, 1139078, 1783559, 2278156, 2847695, 3567118, 5695390, 7134236, 8917795, 11390780, 17835590, 35671180, 99579101, 199158202, 398316404, 497895505, 995791010, 1991582020, 10057489201, 20114978402, 40229956804, 50287446005, 100574892010, 201149784020]

約数ペア:

[(1, 201149784020), (2, 100574892010), (4, 50287446005), (5, 40229956804), (10, 20114978402), (20, 10057489201), (101, 1991582020), (202, 995791010), (404, 497895505), (505, 398316404), (1010, 199158202), (2020, 99579101), (5639, 35671180), (11278, 17835590), (17659, 11390780), (22556, 8917795), (28195, 7134236), (35318, 5695390), (56390, 3567118), (70636, 2847695), (88295, 2278156), (112780, 1783559), (176590, 1139078), (353180, 569539)]