258577760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{230873}}^1$

素因数の和:230895

約数の個数: 48

約数和(自身を含む): 698162976

約数和(自身を除く): 439585216

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, 230873, 461746, 923492, 1154365, 1616111, 1846984, 2308730, 3232222, 3693968, 4617460, 6464444, 7387936, 8080555, 9234920, 12928888, 16161110, 18469840, 25857776, 32322220, 36939680, 51715552, 64644440, 129288880, 258577760]

約数ペア:

[(1, 258577760), (2, 129288880), (4, 64644440), (5, 51715552), (7, 36939680), (8, 32322220), (10, 25857776), (14, 18469840), (16, 16161110), (20, 12928888), (28, 9234920), (32, 8080555), (35, 7387936), (40, 6464444), (56, 4617460), (70, 3693968), (80, 3232222), (112, 2308730), (140, 1846984), (160, 1616111), (224, 1154365), (280, 923492), (560, 461746), (1120, 230873)]