211969360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1433}}^1$

素因数の和:1532

約数の個数: 60

約数和(自身を含む): 504908532

約数和(自身を除く): 292939172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1433, 1720, 1849, 2866, 3440, 3698, 5732, 7165, 7396, 9245, 11464, 14330, 14792, 18490, 22928, 28660, 29584, 36980, 57320, 61619, 73960, 114640, 123238, 147920, 246476, 308095, 492952, 616190, 985904, 1232380, 2464760, 2649617, 4929520, 5299234, 10598468, 13248085, 21196936, 26496170, 42393872, 52992340, 105984680, 211969360]

約数ペア:

[(1, 211969360), (2, 105984680), (4, 52992340), (5, 42393872), (8, 26496170), (10, 21196936), (16, 13248085), (20, 10598468), (40, 5299234), (43, 4929520), (80, 2649617), (86, 2464760), (172, 1232380), (215, 985904), (344, 616190), (430, 492952), (688, 308095), (860, 246476), (1433, 147920), (1720, 123238), (1849, 114640), (2866, 73960), (3440, 61619), (3698, 57320), (5732, 36980), (7165, 29584), (7396, 28660), (9245, 22928), (11464, 18490), (14330, 14792)]