216953920

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15767}}^1$

素因数の和:15827

約数の個数: 56

約数和(自身を含む): 528669504

約数和(自身を除く): 311715584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 15767, 31534, 63068, 78835, 126136, 157670, 252272, 315340, 504544, 630680, 677981, 1009088, 1261360, 1355962, 2522720, 2711924, 3389905, 5045440, 5423848, 6779810, 10847696, 13559620, 21695392, 27119240, 43390784, 54238480, 108476960, 216953920]

約数ペア:

[(1, 216953920), (2, 108476960), (4, 54238480), (5, 43390784), (8, 27119240), (10, 21695392), (16, 13559620), (20, 10847696), (32, 6779810), (40, 5423848), (43, 5045440), (64, 3389905), (80, 2711924), (86, 2522720), (160, 1355962), (172, 1261360), (215, 1009088), (320, 677981), (344, 630680), (430, 504544), (688, 315340), (860, 252272), (1376, 157670), (1720, 126136), (2752, 78835), (3440, 63068), (6880, 31534), (13760, 15767)]