55343820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131771}}^1$

素因数の和:131790

約数の個数: 48

約数和(自身を含む): 177101568

約数和(自身を除く): 121757748

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, 131771, 263542, 395313, 527084, 658855, 790626, 922397, 1317710, 1581252, 1844794, 1976565, 2635420, 2767191, 3689588, 3953130, 4611985, 5534382, 7906260, 9223970, 11068764, 13835955, 18447940, 27671910, 55343820]

約数ペア:

[(1, 55343820), (2, 27671910), (3, 18447940), (4, 13835955), (5, 11068764), (6, 9223970), (7, 7906260), (10, 5534382), (12, 4611985), (14, 3953130), (15, 3689588), (20, 2767191), (21, 2635420), (28, 1976565), (30, 1844794), (35, 1581252), (42, 1317710), (60, 922397), (70, 790626), (84, 658855), (105, 527084), (140, 395313), (210, 263542), (420, 131771)]