208305125

素因数分解:

$5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 307307520

約数和(自身を除く): 99002395

約数列:

[1, 5, 7, 25, 35, 49, 71, 125, 175, 245, 355, 479, 497, 875, 1225, 1775, 2395, 2485, 3353, 3479, 6125, 8875, 11975, 12425, 16765, 17395, 23471, 34009, 59875, 62125, 83825, 86975, 117355, 170045, 238063, 419125, 434875, 586775, 850225, 1190315, 1666441, 2933875, 4251125, 5951575, 8332205, 29757875, 41661025, 208305125]

約数ペア:

[(1, 208305125), (5, 41661025), (7, 29757875), (25, 8332205), (35, 5951575), (49, 4251125), (71, 2933875), (125, 1666441), (175, 1190315), (245, 850225), (355, 586775), (479, 434875), (497, 419125), (875, 238063), (1225, 170045), (1775, 117355), (2395, 86975), (2485, 83825), (3353, 62125), (3479, 59875), (6125, 34009), (8875, 23471), (11975, 17395), (12425, 16765)]