209888904290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4397}}^1\times {\mathrm{367189}}^1$

素因数の和:371606

約数の個数: 32

約数和(自身を含む): 406955208240

約数和(自身を除く): 197066303950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4397, 8794, 21985, 43970, 57161, 114322, 285805, 367189, 571610, 734378, 1835945, 3671890, 4773457, 9546914, 23867285, 47734570, 1614530033, 3229060066, 8072650165, 16145300330, 20988890429, 41977780858, 104944452145, 209888904290]

約数ペア:

[(1, 209888904290), (2, 104944452145), (5, 41977780858), (10, 20988890429), (13, 16145300330), (26, 8072650165), (65, 3229060066), (130, 1614530033), (4397, 47734570), (8794, 23867285), (21985, 9546914), (43970, 4773457), (57161, 3671890), (114322, 1835945), (285805, 734378), (367189, 571610)]