55989990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{88873}}^1$

素因数の和:88893

約数の個数: 48

約数和(自身を含む): 166372128

約数和(自身を除く): 110382138

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 88873, 177746, 266619, 444365, 533238, 622111, 799857, 888730, 1244222, 1333095, 1599714, 1866333, 2666190, 3110555, 3732666, 3999285, 5598999, 6221110, 7998570, 9331665, 11197998, 18663330, 27994995, 55989990]

約数ペア:

[(1, 55989990), (2, 27994995), (3, 18663330), (5, 11197998), (6, 9331665), (7, 7998570), (9, 6221110), (10, 5598999), (14, 3999285), (15, 3732666), (18, 3110555), (21, 2666190), (30, 1866333), (35, 1599714), (42, 1333095), (45, 1244222), (63, 888730), (70, 799857), (90, 622111), (105, 533238), (126, 444365), (210, 266619), (315, 177746), (630, 88873)]