212466520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1811}}^1$

素因数の和:2248

約数の個数: 64

約数和(自身を含む): 547948800

約数和(自身を除く): 335482280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 838, 1676, 1811, 2095, 2933, 3352, 3622, 4190, 5866, 7244, 8380, 9055, 11732, 12677, 14488, 14665, 16760, 18110, 23464, 25354, 29330, 36220, 50708, 58660, 63385, 72440, 101416, 117320, 126770, 253540, 507080, 758809, 1517618, 3035236, 3794045, 5311663, 6070472, 7588090, 10623326, 15176180, 21246652, 26558315, 30352360, 42493304, 53116630, 106233260, 212466520]

約数ペア:

[(1, 212466520), (2, 106233260), (4, 53116630), (5, 42493304), (7, 30352360), (8, 26558315), (10, 21246652), (14, 15176180), (20, 10623326), (28, 7588090), (35, 6070472), (40, 5311663), (56, 3794045), (70, 3035236), (140, 1517618), (280, 758809), (419, 507080), (838, 253540), (1676, 126770), (1811, 117320), (2095, 101416), (2933, 72440), (3352, 63385), (3622, 58660), (4190, 50708), (5866, 36220), (7244, 29330), (8380, 25354), (9055, 23464), (11732, 18110), (12677, 16760), (14488, 14665)]