221092380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1228291}}^1$

素因数の和:1228306

約数の個数: 36

約数和(自身を含む): 670647432

約数和(自身を除く): 449555052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1228291, 2456582, 3684873, 4913164, 6141455, 7369746, 11054619, 12282910, 14739492, 18424365, 22109238, 24565820, 36848730, 44218476, 55273095, 73697460, 110546190, 221092380]

約数ペア:

[(1, 221092380), (2, 110546190), (3, 73697460), (4, 55273095), (5, 44218476), (6, 36848730), (9, 24565820), (10, 22109238), (12, 18424365), (15, 14739492), (18, 12282910), (20, 11054619), (30, 7369746), (36, 6141455), (45, 4913164), (60, 3684873), (90, 2456582), (180, 1228291)]