7226800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 20757600

約数和(自身を除く): 13530800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 89, 100, 112, 116, 140, 145, 175, 178, 200, 203, 232, 280, 290, 350, 356, 400, 406, 445, 464, 560, 580, 623, 700, 712, 725, 812, 890, 1015, 1160, 1246, 1400, 1424, 1450, 1624, 1780, 2030, 2225, 2320, 2492, 2581, 2800, 2900, 3115, 3248, 3560, 4060, 4450, 4984, 5075, 5162, 5800, 6230, 7120, 8120, 8900, 9968, 10150, 10324, 11600, 12460, 12905, 15575, 16240, 17800, 18067, 20300, 20648, 24920, 25810, 31150, 35600, 36134, 40600, 41296, 49840, 51620, 62300, 64525, 72268, 81200, 90335, 103240, 124600, 129050, 144536, 180670, 206480, 249200, 258100, 289072, 361340, 451675, 516200, 722680, 903350, 1032400, 1445360, 1806700, 3613400, 7226800]

約数ペア:

[(1, 7226800), (2, 3613400), (4, 1806700), (5, 1445360), (7, 1032400), (8, 903350), (10, 722680), (14, 516200), (16, 451675), (20, 361340), (25, 289072), (28, 258100), (29, 249200), (35, 206480), (40, 180670), (50, 144536), (56, 129050), (58, 124600), (70, 103240), (80, 90335), (89, 81200), (100, 72268), (112, 64525), (116, 62300), (140, 51620), (145, 49840), (175, 41296), (178, 40600), (200, 36134), (203, 35600), (232, 31150), (280, 25810), (290, 24920), (350, 20648), (356, 20300), (400, 18067), (406, 17800), (445, 16240), (464, 15575), (560, 12905), (580, 12460), (623, 11600), (700, 10324), (712, 10150), (725, 9968), (812, 8900), (890, 8120), (1015, 7120), (1160, 6230), (1246, 5800), (1400, 5162), (1424, 5075), (1450, 4984), (1624, 4450), (1780, 4060), (2030, 3560), (2225, 3248), (2320, 3115), (2492, 2900), (2581, 2800)]