71214375

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 124960000

約数和(自身を除く): 53745625

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 1425, 1875, 1999, 2375, 5997, 7125, 9995, 11875, 29985, 35625, 37981, 49975, 113943, 149925, 189905, 249875, 569715, 749625, 949525, 1249375, 2848575, 3748125, 4747625, 14242875, 23738125, 71214375]

約数ペア:

[(1, 71214375), (3, 23738125), (5, 14242875), (15, 4747625), (19, 3748125), (25, 2848575), (57, 1249375), (75, 949525), (95, 749625), (125, 569715), (285, 249875), (375, 189905), (475, 149925), (625, 113943), (1425, 49975), (1875, 37981), (1999, 35625), (2375, 29985), (5997, 11875), (7125, 9995)]