201936820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 431101440

約数和(自身を除く): 229164620

約数列:

[1, 2, 4, 5, 10, 20, 107, 197, 214, 394, 428, 479, 535, 788, 958, 985, 1070, 1916, 1970, 2140, 2395, 3940, 4790, 9580, 21079, 42158, 51253, 84316, 94363, 102506, 105395, 188726, 205012, 210790, 256265, 377452, 421580, 471815, 512530, 943630, 1025060, 1887260, 10096841, 20193682, 40387364, 50484205, 100968410, 201936820]

約数ペア:

[(1, 201936820), (2, 100968410), (4, 50484205), (5, 40387364), (10, 20193682), (20, 10096841), (107, 1887260), (197, 1025060), (214, 943630), (394, 512530), (428, 471815), (479, 421580), (535, 377452), (788, 256265), (958, 210790), (985, 205012), (1070, 188726), (1916, 105395), (1970, 102506), (2140, 94363), (2395, 84316), (3940, 51253), (4790, 42158), (9580, 21079)]