3878875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 6709248

約数和(自身を除く): 2830373

約数列:

[1, 5, 7, 11, 13, 25, 31, 35, 55, 65, 77, 91, 125, 143, 155, 175, 217, 275, 325, 341, 385, 403, 455, 715, 775, 875, 1001, 1085, 1375, 1625, 1705, 1925, 2015, 2275, 2387, 2821, 3575, 3875, 4433, 5005, 5425, 8525, 9625, 10075, 11375, 11935, 14105, 17875, 22165, 25025, 27125, 31031, 42625, 50375, 59675, 70525, 110825, 125125, 155155, 298375, 352625, 554125, 775775, 3878875]

約数ペア:

[(1, 3878875), (5, 775775), (7, 554125), (11, 352625), (13, 298375), (25, 155155), (31, 125125), (35, 110825), (55, 70525), (65, 59675), (77, 50375), (91, 42625), (125, 31031), (143, 27125), (155, 25025), (175, 22165), (217, 17875), (275, 14105), (325, 11935), (341, 11375), (385, 10075), (403, 9625), (455, 8525), (715, 5425), (775, 5005), (875, 4433), (1001, 3875), (1085, 3575), (1375, 2821), (1625, 2387), (1705, 2275), (1925, 2015)]