68405690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 126688320

約数和(自身を除く): 58282630

約数列:

[1, 2, 5, 10, 43, 86, 215, 257, 430, 514, 619, 1238, 1285, 2570, 3095, 6190, 11051, 22102, 26617, 53234, 55255, 110510, 133085, 159083, 266170, 318166, 795415, 1590830, 6840569, 13681138, 34202845, 68405690]

約数ペア:

[(1, 68405690), (2, 34202845), (5, 13681138), (10, 6840569), (43, 1590830), (86, 795415), (215, 318166), (257, 266170), (430, 159083), (514, 133085), (619, 110510), (1238, 55255), (1285, 53234), (2570, 26617), (3095, 22102), (6190, 11051)]