214664720

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3631}}^1$

素因数の和:4383

約数の個数: 40

約数和(自身を含む): 499908480

約数和(自身を除く): 285243760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 2956, 3631, 3695, 5912, 7262, 7390, 11824, 14524, 14780, 18155, 29048, 29560, 36310, 58096, 59120, 72620, 145240, 290480, 2683309, 5366618, 10733236, 13416545, 21466472, 26833090, 42932944, 53666180, 107332360, 214664720]

約数ペア:

[(1, 214664720), (2, 107332360), (4, 53666180), (5, 42932944), (8, 26833090), (10, 21466472), (16, 13416545), (20, 10733236), (40, 5366618), (80, 2683309), (739, 290480), (1478, 145240), (2956, 72620), (3631, 59120), (3695, 58096), (5912, 36310), (7262, 29560), (7390, 29048), (11824, 18155), (14524, 14780)]