286820215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 401119488

約数和(自身を除く): 114299273

約数列:

[1, 5, 11, 31, 41, 55, 121, 155, 205, 341, 373, 451, 605, 1271, 1705, 1865, 2255, 3751, 4103, 4961, 6355, 11563, 13981, 15293, 18755, 20515, 24805, 45133, 57815, 69905, 76465, 127193, 153791, 168223, 225665, 474083, 635965, 768955, 841115, 1399123, 1850453, 2370415, 5214913, 6995615, 9252265, 26074565, 57364043, 286820215]

約数ペア:

[(1, 286820215), (5, 57364043), (11, 26074565), (31, 9252265), (41, 6995615), (55, 5214913), (121, 2370415), (155, 1850453), (205, 1399123), (341, 841115), (373, 768955), (451, 635965), (605, 474083), (1271, 225665), (1705, 168223), (1865, 153791), (2255, 127193), (3751, 76465), (4103, 69905), (4961, 57815), (6355, 45133), (11563, 24805), (13981, 20515), (15293, 18755)]