201921870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 502142976

約数和(自身を除く): 300221106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 71, 94, 141, 142, 213, 235, 282, 355, 426, 470, 705, 710, 1065, 1410, 2017, 2130, 3337, 4034, 6051, 6674, 10011, 10085, 12102, 16685, 20022, 20170, 30255, 33370, 50055, 60510, 94799, 100110, 143207, 189598, 284397, 286414, 429621, 473995, 568794, 716035, 859242, 947990, 1421985, 1432070, 2148105, 2843970, 4296210, 6730729, 13461458, 20192187, 33653645, 40384374, 67307290, 100960935, 201921870]

約数ペア:

[(1, 201921870), (2, 100960935), (3, 67307290), (5, 40384374), (6, 33653645), (10, 20192187), (15, 13461458), (30, 6730729), (47, 4296210), (71, 2843970), (94, 2148105), (141, 1432070), (142, 1421985), (213, 947990), (235, 859242), (282, 716035), (355, 568794), (426, 473995), (470, 429621), (705, 286414), (710, 284397), (1065, 189598), (1410, 143207), (2017, 100110), (2130, 94799), (3337, 60510), (4034, 50055), (6051, 33370), (6674, 30255), (10011, 20170), (10085, 20022), (12102, 16685)]