131195820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312371}}^1$

素因数の和:312390

約数の個数: 48

約数和(自身を含む): 419827968

約数和(自身を除く): 288632148

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, 210, 420, 312371, 624742, 937113, 1249484, 1561855, 1874226, 2186597, 3123710, 3748452, 4373194, 4685565, 6247420, 6559791, 8746388, 9371130, 10932985, 13119582, 18742260, 21865970, 26239164, 32798955, 43731940, 65597910, 131195820]

約数ペア:

[(1, 131195820), (2, 65597910), (3, 43731940), (4, 32798955), (5, 26239164), (6, 21865970), (7, 18742260), (10, 13119582), (12, 10932985), (14, 9371130), (15, 8746388), (20, 6559791), (21, 6247420), (28, 4685565), (30, 4373194), (35, 3748452), (42, 3123710), (60, 2186597), (70, 1874226), (84, 1561855), (105, 1249484), (140, 937113), (210, 624742), (420, 312371)]