205872920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467893}}^1$

素因数の和:467915

約数の個数: 32

約数和(自身を含む): 505325520

約数和(自身を除く): 299452600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 467893, 935786, 1871572, 2339465, 3743144, 4678930, 5146823, 9357860, 10293646, 18715720, 20587292, 25734115, 41174584, 51468230, 102936460, 205872920]

約数ペア:

[(1, 205872920), (2, 102936460), (4, 51468230), (5, 41174584), (8, 25734115), (10, 20587292), (11, 18715720), (20, 10293646), (22, 9357860), (40, 5146823), (44, 4678930), (55, 3743144), (88, 2339465), (110, 1871572), (220, 935786), (440, 467893)]