90865904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{599}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 186000000

約数和(自身を除く): 95134096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 499, 599, 998, 1198, 1996, 2396, 3992, 4792, 7984, 9481, 9584, 11381, 18962, 22762, 37924, 45524, 75848, 91048, 151696, 182096, 298901, 597802, 1195604, 2391208, 4782416, 5679119, 11358238, 22716476, 45432952, 90865904]

約数ペア:

[(1, 90865904), (2, 45432952), (4, 22716476), (8, 11358238), (16, 5679119), (19, 4782416), (38, 2391208), (76, 1195604), (152, 597802), (304, 298901), (499, 182096), (599, 151696), (998, 91048), (1198, 75848), (1996, 45524), (2396, 37924), (3992, 22762), (4792, 18962), (7984, 11381), (9481, 9584)]