254066820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3853}}^1$

素因数の和:4029

約数の個数: 96

約数和(自身を含む): 818404608

約数和(自身を除く): 564337788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 2198, 2355, 3140, 3297, 3853, 4396, 4710, 5495, 6594, 7706, 9420, 10990, 11559, 13188, 15412, 16485, 19265, 21980, 23118, 26971, 32970, 38530, 46236, 53942, 57795, 65940, 77060, 80913, 107884, 115590, 134855, 161826, 231180, 269710, 323652, 404565, 539420, 604921, 809130, 1209842, 1618260, 1814763, 2419684, 3024605, 3629526, 4234447, 6049210, 7259052, 8468894, 9073815, 12098420, 12703341, 16937788, 18147630, 21172235, 25406682, 36295260, 42344470, 50813364, 63516705, 84688940, 127033410, 254066820]

約数ペア:

[(1, 254066820), (2, 127033410), (3, 84688940), (4, 63516705), (5, 50813364), (6, 42344470), (7, 36295260), (10, 25406682), (12, 21172235), (14, 18147630), (15, 16937788), (20, 12703341), (21, 12098420), (28, 9073815), (30, 8468894), (35, 7259052), (42, 6049210), (60, 4234447), (70, 3629526), (84, 3024605), (105, 2419684), (140, 1814763), (157, 1618260), (210, 1209842), (314, 809130), (420, 604921), (471, 539420), (628, 404565), (785, 323652), (942, 269710), (1099, 231180), (1570, 161826), (1884, 134855), (2198, 115590), (2355, 107884), (3140, 80913), (3297, 77060), (3853, 65940), (4396, 57795), (4710, 53942), (5495, 46236), (6594, 38530), (7706, 32970), (9420, 26971), (10990, 23118), (11559, 21980), (13188, 19265), (15412, 16485)]