216132875

素因数分解:

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

素因数の和:178

約数の個数: 48

約数和(自身を含む): 319051200

約数和(自身を除く): 102918325

約数列:

[1, 5, 7, 25, 35, 49, 71, 125, 175, 245, 343, 355, 497, 875, 1225, 1715, 1775, 2485, 3479, 5041, 6125, 8575, 8875, 12425, 17395, 24353, 25205, 35287, 42875, 62125, 86975, 121765, 126025, 176435, 247009, 434875, 608825, 630125, 882175, 1235045, 1729063, 3044125, 4410875, 6175225, 8645315, 30876125, 43226575, 216132875]

約数ペア:

[(1, 216132875), (5, 43226575), (7, 30876125), (25, 8645315), (35, 6175225), (49, 4410875), (71, 3044125), (125, 1729063), (175, 1235045), (245, 882175), (343, 630125), (355, 608825), (497, 434875), (875, 247009), (1225, 176435), (1715, 126025), (1775, 121765), (2485, 86975), (3479, 62125), (5041, 42875), (6125, 35287), (8575, 25205), (8875, 24353), (12425, 17395)]