217236580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1429}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 498738240

約数和(自身を除く): 281501660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1382, 1429, 2764, 2858, 3455, 5716, 6910, 7145, 7601, 13820, 14290, 15202, 15719, 28580, 30404, 31438, 38005, 62876, 76010, 78595, 152020, 157190, 314380, 987439, 1974878, 3949756, 4937195, 9874390, 10861829, 19748780, 21723658, 43447316, 54309145, 108618290, 217236580]

約数ペア:

[(1, 217236580), (2, 108618290), (4, 54309145), (5, 43447316), (10, 21723658), (11, 19748780), (20, 10861829), (22, 9874390), (44, 4937195), (55, 3949756), (110, 1974878), (220, 987439), (691, 314380), (1382, 157190), (1429, 152020), (2764, 78595), (2858, 76010), (3455, 62876), (5716, 38005), (6910, 31438), (7145, 30404), (7601, 28580), (13820, 15719), (14290, 15202)]