200040400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{71443}}^1$

素因数の和:71468

約数の個数: 60

約数和(自身を含む): 549261472

約数和(自身を除く): 349221072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 71443, 142886, 285772, 357215, 500101, 571544, 714430, 1000202, 1143088, 1428860, 1786075, 2000404, 2500505, 2857720, 3572150, 4000808, 5001010, 5715440, 7144300, 8001616, 10002020, 12502525, 14288600, 20004040, 25005050, 28577200, 40008080, 50010100, 100020200, 200040400]

約数ペア:

[(1, 200040400), (2, 100020200), (4, 50010100), (5, 40008080), (7, 28577200), (8, 25005050), (10, 20004040), (14, 14288600), (16, 12502525), (20, 10002020), (25, 8001616), (28, 7144300), (35, 5715440), (40, 5001010), (50, 4000808), (56, 3572150), (70, 2857720), (80, 2500505), (100, 2000404), (112, 1786075), (140, 1428860), (175, 1143088), (200, 1000202), (280, 714430), (350, 571544), (400, 500101), (560, 357215), (700, 285772), (1400, 142886), (2800, 71443)]