428581020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1020431}}^1$

素因数の和:1020450

約数の個数: 48

約数和(自身を含む): 1371460608

約数和(自身を除く): 942879588

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, 1020431, 2040862, 3061293, 4081724, 5102155, 6122586, 7143017, 10204310, 12245172, 14286034, 15306465, 20408620, 21429051, 28572068, 30612930, 35715085, 42858102, 61225860, 71430170, 85716204, 107145255, 142860340, 214290510, 428581020]

約数ペア:

[(1, 428581020), (2, 214290510), (3, 142860340), (4, 107145255), (5, 85716204), (6, 71430170), (7, 61225860), (10, 42858102), (12, 35715085), (14, 30612930), (15, 28572068), (20, 21429051), (21, 20408620), (28, 15306465), (30, 14286034), (35, 12245172), (42, 10204310), (60, 7143017), (70, 6122586), (84, 5102155), (105, 4081724), (140, 3061293), (210, 2040862), (420, 1020431)]