172878530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 360097920

約数和(自身を除く): 187219390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 181, 190, 209, 362, 418, 457, 905, 914, 1045, 1810, 1991, 2090, 2285, 3439, 3982, 4570, 5027, 6878, 8683, 9955, 10054, 17195, 17366, 19910, 25135, 34390, 37829, 43415, 50270, 75658, 82717, 86830, 95513, 165434, 189145, 191026, 378290, 413585, 477565, 827170, 909887, 955130, 1571623, 1819774, 3143246, 4549435, 7858115, 9098870, 15716230, 17287853, 34575706, 86439265, 172878530]

約数ペア:

[(1, 172878530), (2, 86439265), (5, 34575706), (10, 17287853), (11, 15716230), (19, 9098870), (22, 7858115), (38, 4549435), (55, 3143246), (95, 1819774), (110, 1571623), (181, 955130), (190, 909887), (209, 827170), (362, 477565), (418, 413585), (457, 378290), (905, 191026), (914, 189145), (1045, 165434), (1810, 95513), (1991, 86830), (2090, 82717), (2285, 75658), (3439, 50270), (3982, 43415), (4570, 37829), (5027, 34390), (6878, 25135), (8683, 19910), (9955, 17366), (10054, 17195)]