10820425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 54

約数和(自身を含む): 17390814

約数和(自身を除く): 6570389

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 73, 77, 121, 175, 245, 275, 365, 385, 511, 539, 605, 803, 847, 1225, 1825, 1925, 2555, 2695, 3025, 3577, 4015, 4235, 5621, 5929, 8833, 12775, 13475, 17885, 20075, 21175, 28105, 29645, 39347, 44165, 61831, 89425, 140525, 148225, 196735, 220825, 309155, 432817, 983675, 1545775, 2164085, 10820425]

約数ペア:

[(1, 10820425), (5, 2164085), (7, 1545775), (11, 983675), (25, 432817), (35, 309155), (49, 220825), (55, 196735), (73, 148225), (77, 140525), (121, 89425), (175, 61831), (245, 44165), (275, 39347), (365, 29645), (385, 28105), (511, 21175), (539, 20075), (605, 17885), (803, 13475), (847, 12775), (1225, 8833), (1825, 5929), (1925, 5621), (2555, 4235), (2695, 4015), (3025, 3577)]