68812205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 113356800

約数和(自身を除く): 44544595

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 161, 209, 253, 385, 409, 437, 665, 805, 1045, 1265, 1463, 1771, 2045, 2185, 2863, 3059, 4499, 4807, 7315, 7771, 8855, 9407, 14315, 15295, 22495, 24035, 31493, 33649, 38855, 47035, 54397, 65849, 85481, 103477, 157465, 168245, 178733, 271985, 329245, 427405, 517385, 598367, 724339, 893665, 1251131, 1966063, 2991835, 3621695, 6255655, 9830315, 13762441, 68812205]

約数ペア:

[(1, 68812205), (5, 13762441), (7, 9830315), (11, 6255655), (19, 3621695), (23, 2991835), (35, 1966063), (55, 1251131), (77, 893665), (95, 724339), (115, 598367), (133, 517385), (161, 427405), (209, 329245), (253, 271985), (385, 178733), (409, 168245), (437, 157465), (665, 103477), (805, 85481), (1045, 65849), (1265, 54397), (1463, 47035), (1771, 38855), (2045, 33649), (2185, 31493), (2863, 24035), (3059, 22495), (4499, 15295), (4807, 14315), (7315, 9407), (7771, 8855)]