2786875

素因数分解:

$5^4\times 7^3\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 40

約数和(自身を含む): 4373600

約数和(自身を除く): 1586725

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 175, 245, 325, 343, 455, 625, 637, 875, 1225, 1625, 1715, 2275, 3185, 4375, 4459, 6125, 8125, 8575, 11375, 15925, 22295, 30625, 42875, 56875, 79625, 111475, 214375, 398125, 557375, 2786875]

約数ペア:

[(1, 2786875), (5, 557375), (7, 398125), (13, 214375), (25, 111475), (35, 79625), (49, 56875), (65, 42875), (91, 30625), (125, 22295), (175, 15925), (245, 11375), (325, 8575), (343, 8125), (455, 6125), (625, 4459), (637, 4375), (875, 3185), (1225, 2275), (1625, 1715)]