203787780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{485209}}^1$

素因数の和:485228

約数の個数: 48

約数和(自身を含む): 652122240

約数和(自身を除く): 448334460

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, 485209, 970418, 1455627, 1940836, 2426045, 2911254, 3396463, 4852090, 5822508, 6792926, 7278135, 9704180, 10189389, 13585852, 14556270, 16982315, 20378778, 29112540, 33964630, 40757556, 50946945, 67929260, 101893890, 203787780]

約数ペア:

[(1, 203787780), (2, 101893890), (3, 67929260), (4, 50946945), (5, 40757556), (6, 33964630), (7, 29112540), (10, 20378778), (12, 16982315), (14, 14556270), (15, 13585852), (20, 10189389), (21, 9704180), (28, 7278135), (30, 6792926), (35, 5822508), (42, 4852090), (60, 3396463), (70, 2911254), (84, 2426045), (105, 1940836), (140, 1455627), (210, 970418), (420, 485209)]