744294520

素因数分解:

$2^3\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{9431}}^1$

素因数の和:11415

約数の個数: 32

約数和(自身を含む): 1675689120

約数和(自身を除く): 931394600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1973, 3946, 7892, 9431, 9865, 15784, 18862, 19730, 37724, 39460, 47155, 75448, 78920, 94310, 188620, 377240, 18607363, 37214726, 74429452, 93036815, 148858904, 186073630, 372147260, 744294520]

約数ペア:

[(1, 744294520), (2, 372147260), (4, 186073630), (5, 148858904), (8, 93036815), (10, 74429452), (20, 37214726), (40, 18607363), (1973, 377240), (3946, 188620), (7892, 94310), (9431, 78920), (9865, 75448), (15784, 47155), (18862, 39460), (19730, 37724)]