177421020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{422431}}^1$

素因数の和:422450

約数の個数: 48

約数和(自身を含む): 567748608

約数和(自身を除く): 390327588

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, 422431, 844862, 1267293, 1689724, 2112155, 2534586, 2957017, 4224310, 5069172, 5914034, 6336465, 8448620, 8871051, 11828068, 12672930, 14785085, 17742102, 25345860, 29570170, 35484204, 44355255, 59140340, 88710510, 177421020]

約数ペア:

[(1, 177421020), (2, 88710510), (3, 59140340), (4, 44355255), (5, 35484204), (6, 29570170), (7, 25345860), (10, 17742102), (12, 14785085), (14, 12672930), (15, 11828068), (20, 8871051), (21, 8448620), (28, 6336465), (30, 5914034), (35, 5069172), (42, 4224310), (60, 2957017), (70, 2534586), (84, 2112155), (105, 1689724), (140, 1267293), (210, 844862), (420, 422431)]