420833820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{637627}}^1$

素因数の和:637650

約数の個数: 48

約数和(自身を含む): 1285458048

約数和(自身を除く): 864624228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 637627, 1275254, 1912881, 2550508, 3188135, 3825762, 6376270, 7013897, 7651524, 9564405, 12752540, 14027794, 19128810, 21041691, 28055588, 35069485, 38257620, 42083382, 70138970, 84166764, 105208455, 140277940, 210416910, 420833820]

約数ペア:

[(1, 420833820), (2, 210416910), (3, 140277940), (4, 105208455), (5, 84166764), (6, 70138970), (10, 42083382), (11, 38257620), (12, 35069485), (15, 28055588), (20, 21041691), (22, 19128810), (30, 14027794), (33, 12752540), (44, 9564405), (55, 7651524), (60, 7013897), (66, 6376270), (110, 3825762), (132, 3188135), (165, 2550508), (220, 1912881), (330, 1275254), (660, 637627)]