55910820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{133121}}^1$

素因数の和:133140

約数の個数: 48

約数和(自身を含む): 178915968

約数和(自身を除く): 123005148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 133121, 266242, 399363, 532484, 665605, 798726, 931847, 1331210, 1597452, 1863694, 1996815, 2662420, 2795541, 3727388, 3993630, 4659235, 5591082, 7987260, 9318470, 11182164, 13977705, 18636940, 27955410, 55910820]

約数ペア:

[(1, 55910820), (2, 27955410), (3, 18636940), (4, 13977705), (5, 11182164), (6, 9318470), (7, 7987260), (10, 5591082), (12, 4659235), (14, 3993630), (15, 3727388), (20, 2795541), (21, 2662420), (28, 1996815), (30, 1863694), (35, 1597452), (42, 1331210), (60, 931847), (70, 798726), (84, 665605), (105, 532484), (140, 399363), (210, 266242), (420, 133121)]