201020540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5003}}^1$

素因数の和:5067

約数の個数: 72

約数和(自身を含む): 503142192

約数和(自身を除く): 302121652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5003, 5740, 8036, 10006, 10045, 20012, 20090, 25015, 35021, 40180, 50030, 70042, 100060, 140084, 175105, 205123, 245147, 350210, 410246, 490294, 700420, 820492, 980588, 1025615, 1225735, 1435861, 2051230, 2451470, 2871722, 4102460, 4902940, 5743444, 7179305, 10051027, 14358610, 20102054, 28717220, 40204108, 50255135, 100510270, 201020540]

約数ペア:

[(1, 201020540), (2, 100510270), (4, 50255135), (5, 40204108), (7, 28717220), (10, 20102054), (14, 14358610), (20, 10051027), (28, 7179305), (35, 5743444), (41, 4902940), (49, 4102460), (70, 2871722), (82, 2451470), (98, 2051230), (140, 1435861), (164, 1225735), (196, 1025615), (205, 980588), (245, 820492), (287, 700420), (410, 490294), (490, 410246), (574, 350210), (820, 245147), (980, 205123), (1148, 175105), (1435, 140084), (2009, 100060), (2870, 70042), (4018, 50030), (5003, 40180), (5740, 35021), (8036, 25015), (10006, 20090), (10045, 20012)]