208375160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3527}}^1$

素因数の和:3756

約数の個数: 64

約数和(自身を含む): 538513920

約数和(自身を除く): 330138760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 3527, 4220, 5908, 7054, 7385, 8440, 11816, 14108, 14770, 17635, 24689, 28216, 29540, 35270, 49378, 59080, 70540, 98756, 123445, 141080, 197512, 246890, 493780, 744197, 987560, 1488394, 2976788, 3720985, 5209379, 5953576, 7441970, 10418758, 14883940, 20837516, 26046895, 29767880, 41675032, 52093790, 104187580, 208375160]

約数ペア:

[(1, 208375160), (2, 104187580), (4, 52093790), (5, 41675032), (7, 29767880), (8, 26046895), (10, 20837516), (14, 14883940), (20, 10418758), (28, 7441970), (35, 5953576), (40, 5209379), (56, 3720985), (70, 2976788), (140, 1488394), (211, 987560), (280, 744197), (422, 493780), (844, 246890), (1055, 197512), (1477, 141080), (1688, 123445), (2110, 98756), (2954, 70540), (3527, 59080), (4220, 49378), (5908, 35270), (7054, 29540), (7385, 28216), (8440, 24689), (11816, 17635), (14108, 14770)]