217774180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8293}}^1$

素因数の和:8416

約数の個数: 48

約数和(自身を含む): 497440944

約数和(自身を除く): 279666764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 8293, 13130, 16586, 26260, 33172, 41465, 82930, 107809, 165860, 215618, 431236, 539045, 837593, 1078090, 1675186, 2156180, 3350372, 4187965, 8375930, 10888709, 16751860, 21777418, 43554836, 54443545, 108887090, 217774180]

約数ペア:

[(1, 217774180), (2, 108887090), (4, 54443545), (5, 43554836), (10, 21777418), (13, 16751860), (20, 10888709), (26, 8375930), (52, 4187965), (65, 3350372), (101, 2156180), (130, 1675186), (202, 1078090), (260, 837593), (404, 539045), (505, 431236), (1010, 215618), (1313, 165860), (2020, 107809), (2626, 82930), (5252, 41465), (6565, 33172), (8293, 26260), (13130, 16586)]