78396640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69997}}^1$

素因数の和:70019

約数の個数: 48

約数和(自身を含む): 211673952

約数和(自身を除く): 133277312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69997, 139994, 279988, 349985, 489979, 559976, 699970, 979958, 1119952, 1399940, 1959916, 2239904, 2449895, 2799880, 3919832, 4899790, 5599760, 7839664, 9799580, 11199520, 15679328, 19599160, 39198320, 78396640]

約数ペア:

[(1, 78396640), (2, 39198320), (4, 19599160), (5, 15679328), (7, 11199520), (8, 9799580), (10, 7839664), (14, 5599760), (16, 4899790), (20, 3919832), (28, 2799880), (32, 2449895), (35, 2239904), (40, 1959916), (56, 1399940), (70, 1119952), (80, 979958), (112, 699970), (140, 559976), (160, 489979), (224, 349985), (280, 279988), (560, 139994), (1120, 69997)]