208831375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3823}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 286341120

約数和(自身を除く): 77509745

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 437, 475, 575, 2185, 2375, 2875, 3823, 10925, 19115, 54625, 72637, 87929, 95575, 363185, 439645, 477875, 1670651, 1815925, 2198225, 8353255, 9079625, 10991125, 41766275, 208831375]

約数ペア:

[(1, 208831375), (5, 41766275), (19, 10991125), (23, 9079625), (25, 8353255), (95, 2198225), (115, 1815925), (125, 1670651), (437, 477875), (475, 439645), (575, 363185), (2185, 95575), (2375, 87929), (2875, 72637), (3823, 54625), (10925, 19115)]