200105625

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 362134080

約数和(自身を除く): 162028455

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 125, 137, 205, 285, 375, 411, 475, 615, 625, 685, 779, 1025, 1425, 1875, 2055, 2337, 2375, 2603, 3075, 3425, 3895, 5125, 5617, 7125, 7809, 10275, 11685, 11875, 13015, 15375, 16851, 17125, 19475, 25625, 28085, 35625, 39045, 51375, 58425, 65075, 76875, 84255, 85625, 97375, 106723, 140425, 195225, 256875, 292125, 320169, 325375, 421275, 486875, 533615, 702125, 976125, 1460625, 1600845, 1626875, 2106375, 2668075, 3510625, 4880625, 8004225, 10531875, 13340375, 40021125, 66701875, 200105625]

約数ペア:

[(1, 200105625), (3, 66701875), (5, 40021125), (15, 13340375), (19, 10531875), (25, 8004225), (41, 4880625), (57, 3510625), (75, 2668075), (95, 2106375), (123, 1626875), (125, 1600845), (137, 1460625), (205, 976125), (285, 702125), (375, 533615), (411, 486875), (475, 421275), (615, 325375), (625, 320169), (685, 292125), (779, 256875), (1025, 195225), (1425, 140425), (1875, 106723), (2055, 97375), (2337, 85625), (2375, 84255), (2603, 76875), (3075, 65075), (3425, 58425), (3895, 51375), (5125, 39045), (5617, 35625), (7125, 28085), (7809, 25625), (10275, 19475), (11685, 17125), (11875, 16851), (13015, 15375)]