223191920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{398557}}^1$

素因数の和:398577

約数の個数: 40

約数和(自身を含む): 593054304

約数和(自身を除く): 369862384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 398557, 797114, 1594228, 1992785, 2789899, 3188456, 3985570, 5579798, 6376912, 7971140, 11159596, 13949495, 15942280, 22319192, 27898990, 31884560, 44638384, 55797980, 111595960, 223191920]

約数ペア:

[(1, 223191920), (2, 111595960), (4, 55797980), (5, 44638384), (7, 31884560), (8, 27898990), (10, 22319192), (14, 15942280), (16, 13949495), (20, 11159596), (28, 7971140), (35, 6376912), (40, 5579798), (56, 3985570), (70, 3188456), (80, 2789899), (112, 1992785), (140, 1594228), (280, 797114), (560, 398557)]