205254910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 471905280

約数和(自身を除く): 266650370

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 43, 70, 74, 86, 95, 97, 133, 185, 190, 194, 215, 259, 266, 301, 370, 430, 485, 518, 602, 665, 679, 703, 817, 970, 1295, 1330, 1358, 1406, 1505, 1591, 1634, 1843, 2590, 3010, 3182, 3395, 3515, 3589, 3686, 4085, 4171, 4921, 5719, 6790, 7030, 7178, 7955, 8170, 8342, 9215, 9842, 11137, 11438, 12901, 15910, 17945, 18430, 20855, 22274, 24605, 25123, 25802, 28595, 29197, 30229, 35890, 41710, 49210, 50246, 55685, 57190, 58394, 60458, 64505, 68191, 79249, 111370, 125615, 129010, 136382, 145985, 151145, 154327, 158498, 211603, 251230, 291970, 302290, 308654, 340955, 396245, 423206, 477337, 554743, 681910, 771635, 792490, 954674, 1058015, 1080289, 1109486, 1543270, 2116030, 2160578, 2386685, 2773715, 2932213, 4773370, 5401445, 5547430, 5864426, 10802890, 14661065, 20525491, 29322130, 41050982, 102627455, 205254910]

約数ペア:

[(1, 205254910), (2, 102627455), (5, 41050982), (7, 29322130), (10, 20525491), (14, 14661065), (19, 10802890), (35, 5864426), (37, 5547430), (38, 5401445), (43, 4773370), (70, 2932213), (74, 2773715), (86, 2386685), (95, 2160578), (97, 2116030), (133, 1543270), (185, 1109486), (190, 1080289), (194, 1058015), (215, 954674), (259, 792490), (266, 771635), (301, 681910), (370, 554743), (430, 477337), (485, 423206), (518, 396245), (602, 340955), (665, 308654), (679, 302290), (703, 291970), (817, 251230), (970, 211603), (1295, 158498), (1330, 154327), (1358, 151145), (1406, 145985), (1505, 136382), (1591, 129010), (1634, 125615), (1843, 111370), (2590, 79249), (3010, 68191), (3182, 64505), (3395, 60458), (3515, 58394), (3589, 57190), (3686, 55685), (4085, 50246), (4171, 49210), (4921, 41710), (5719, 35890), (6790, 30229), (7030, 29197), (7178, 28595), (7955, 25802), (8170, 25123), (8342, 24605), (9215, 22274), (9842, 20855), (11137, 18430), (11438, 17945), (12901, 15910)]