2012255560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1026661}}^1$

素因数の和:1026686

約数の個数: 48

約数和(自身を含む): 5266776060

約数和(自身を除く): 3254520500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1026661, 2053322, 4106644, 5133305, 7186627, 8213288, 10266610, 14373254, 20533220, 28746508, 35933135, 41066440, 50306389, 57493016, 71866270, 100612778, 143732540, 201225556, 251531945, 287465080, 402451112, 503063890, 1006127780, 2012255560]

約数ペア:

[(1, 2012255560), (2, 1006127780), (4, 503063890), (5, 402451112), (7, 287465080), (8, 251531945), (10, 201225556), (14, 143732540), (20, 100612778), (28, 71866270), (35, 57493016), (40, 50306389), (49, 41066440), (56, 35933135), (70, 28746508), (98, 20533220), (140, 14373254), (196, 10266610), (245, 8213288), (280, 7186627), (392, 5133305), (490, 4106644), (980, 2053322), (1960, 1026661)]