81867800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{58477}}^1$

素因数の和:58500

約数の個数: 48

約数和(自身を含む): 217538160

約数和(自身を除く): 135670360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 58477, 116954, 233908, 292385, 409339, 467816, 584770, 818678, 1169540, 1461925, 1637356, 2046695, 2339080, 2923850, 3274712, 4093390, 5847700, 8186780, 10233475, 11695400, 16373560, 20466950, 40933900, 81867800]

約数ペア:

[(1, 81867800), (2, 40933900), (4, 20466950), (5, 16373560), (7, 11695400), (8, 10233475), (10, 8186780), (14, 5847700), (20, 4093390), (25, 3274712), (28, 2923850), (35, 2339080), (40, 2046695), (50, 1637356), (56, 1461925), (70, 1169540), (100, 818678), (140, 584770), (175, 467816), (200, 409339), (280, 292385), (350, 233908), (700, 116954), (1400, 58477)]