904430685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 1720051200

約数和(自身を除く): 815620515

約数列:

[1, 3, 5, 15, 17, 19, 29, 41, 51, 57, 85, 87, 95, 123, 145, 157, 205, 255, 285, 323, 435, 471, 493, 551, 615, 697, 779, 785, 969, 1189, 1479, 1615, 1653, 2091, 2337, 2355, 2465, 2669, 2755, 2983, 3485, 3567, 3895, 4553, 4845, 5945, 6437, 7395, 8007, 8265, 8949, 9367, 10455, 11685, 13243, 13345, 13659, 14915, 17835, 19311, 20213, 22591, 22765, 28101, 32185, 39729, 40035, 44745, 46835, 50711, 60639, 66215, 67773, 68295, 77401, 86507, 96555, 101065, 109429, 112955, 122303, 140505, 152133, 186673, 198645, 232203, 253555, 259521, 303195, 328287, 338865, 366909, 384047, 387005, 432535, 547145, 560019, 611515, 760665, 933365, 1152141, 1161015, 1297605, 1470619, 1641435, 1834545, 1920235, 2079151, 2800095, 3173441, 3546787, 4411857, 5760705, 6237453, 7353095, 9520323, 10395755, 10640361, 15867205, 17733935, 22059285, 31187265, 47601615, 53201805, 60295379, 180886137, 301476895, 904430685]

約数ペア:

[(1, 904430685), (3, 301476895), (5, 180886137), (15, 60295379), (17, 53201805), (19, 47601615), (29, 31187265), (41, 22059285), (51, 17733935), (57, 15867205), (85, 10640361), (87, 10395755), (95, 9520323), (123, 7353095), (145, 6237453), (157, 5760705), (205, 4411857), (255, 3546787), (285, 3173441), (323, 2800095), (435, 2079151), (471, 1920235), (493, 1834545), (551, 1641435), (615, 1470619), (697, 1297605), (779, 1161015), (785, 1152141), (969, 933365), (1189, 760665), (1479, 611515), (1615, 560019), (1653, 547145), (2091, 432535), (2337, 387005), (2355, 384047), (2465, 366909), (2669, 338865), (2755, 328287), (2983, 303195), (3485, 259521), (3567, 253555), (3895, 232203), (4553, 198645), (4845, 186673), (5945, 152133), (6437, 140505), (7395, 122303), (8007, 112955), (8265, 109429), (8949, 101065), (9367, 96555), (10455, 86507), (11685, 77401), (13243, 68295), (13345, 67773), (13659, 66215), (14915, 60639), (17835, 50711), (19311, 46835), (20213, 44745), (22591, 40035), (22765, 39729), (28101, 32185)]