1806700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 4687200

約数和(自身を除く): 2880500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 89, 100, 116, 140, 145, 175, 178, 203, 290, 350, 356, 406, 445, 580, 623, 700, 725, 812, 890, 1015, 1246, 1450, 1780, 2030, 2225, 2492, 2581, 2900, 3115, 4060, 4450, 5075, 5162, 6230, 8900, 10150, 10324, 12460, 12905, 15575, 18067, 20300, 25810, 31150, 36134, 51620, 62300, 64525, 72268, 90335, 129050, 180670, 258100, 361340, 451675, 903350, 1806700]

約数ペア:

[(1, 1806700), (2, 903350), (4, 451675), (5, 361340), (7, 258100), (10, 180670), (14, 129050), (20, 90335), (25, 72268), (28, 64525), (29, 62300), (35, 51620), (50, 36134), (58, 31150), (70, 25810), (89, 20300), (100, 18067), (116, 15575), (140, 12905), (145, 12460), (175, 10324), (178, 10150), (203, 8900), (290, 6230), (350, 5162), (356, 5075), (406, 4450), (445, 4060), (580, 3115), (623, 2900), (700, 2581), (725, 2492), (812, 2225), (890, 2030), (1015, 1780), (1246, 1450)]