289119520

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4079}}^1$

素因数の和:4537

約数の個数: 48

約数和(自身を含む): 684754560

約数和(自身を除く): 395635040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1772, 2215, 3544, 4079, 4430, 7088, 8158, 8860, 14176, 16316, 17720, 20395, 32632, 35440, 40790, 65264, 70880, 81580, 130528, 163160, 326320, 652640, 1806997, 3613994, 7227988, 9034985, 14455976, 18069970, 28911952, 36139940, 57823904, 72279880, 144559760, 289119520]

約数ペア:

[(1, 289119520), (2, 144559760), (4, 72279880), (5, 57823904), (8, 36139940), (10, 28911952), (16, 18069970), (20, 14455976), (32, 9034985), (40, 7227988), (80, 3613994), (160, 1806997), (443, 652640), (886, 326320), (1772, 163160), (2215, 130528), (3544, 81580), (4079, 70880), (4430, 65264), (7088, 40790), (8158, 35440), (8860, 32632), (14176, 20395), (16316, 17720)]