68388980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16361}}^1$

素因数の和:16400

約数の個数: 48

約数和(自身を含む): 164928960

約数和(自身を除く): 96539980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 16361, 32722, 65444, 81805, 163610, 179971, 310859, 327220, 359942, 621718, 719884, 899855, 1243436, 1554295, 1799710, 3108590, 3419449, 3599420, 6217180, 6838898, 13677796, 17097245, 34194490, 68388980]

約数ペア:

[(1, 68388980), (2, 34194490), (4, 17097245), (5, 13677796), (10, 6838898), (11, 6217180), (19, 3599420), (20, 3419449), (22, 3108590), (38, 1799710), (44, 1554295), (55, 1243436), (76, 899855), (95, 719884), (110, 621718), (190, 359942), (209, 327220), (220, 310859), (380, 179971), (418, 163610), (836, 81805), (1045, 65444), (2090, 32722), (4180, 16361)]