18067000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 50544000

約数和(自身を除く): 32477000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 89, 100, 116, 125, 140, 145, 175, 178, 200, 203, 232, 250, 280, 290, 350, 356, 406, 445, 500, 580, 623, 700, 712, 725, 812, 875, 890, 1000, 1015, 1160, 1246, 1400, 1450, 1624, 1750, 1780, 2030, 2225, 2492, 2581, 2900, 3115, 3500, 3560, 3625, 4060, 4450, 4984, 5075, 5162, 5800, 6230, 7000, 7250, 8120, 8900, 10150, 10324, 11125, 12460, 12905, 14500, 15575, 17800, 18067, 20300, 20648, 22250, 24920, 25375, 25810, 29000, 31150, 36134, 40600, 44500, 50750, 51620, 62300, 64525, 72268, 77875, 89000, 90335, 101500, 103240, 124600, 129050, 144536, 155750, 180670, 203000, 258100, 311500, 322625, 361340, 451675, 516200, 623000, 645250, 722680, 903350, 1290500, 1806700, 2258375, 2581000, 3613400, 4516750, 9033500, 18067000]

約数ペア:

[(1, 18067000), (2, 9033500), (4, 4516750), (5, 3613400), (7, 2581000), (8, 2258375), (10, 1806700), (14, 1290500), (20, 903350), (25, 722680), (28, 645250), (29, 623000), (35, 516200), (40, 451675), (50, 361340), (56, 322625), (58, 311500), (70, 258100), (89, 203000), (100, 180670), (116, 155750), (125, 144536), (140, 129050), (145, 124600), (175, 103240), (178, 101500), (200, 90335), (203, 89000), (232, 77875), (250, 72268), (280, 64525), (290, 62300), (350, 51620), (356, 50750), (406, 44500), (445, 40600), (500, 36134), (580, 31150), (623, 29000), (700, 25810), (712, 25375), (725, 24920), (812, 22250), (875, 20648), (890, 20300), (1000, 18067), (1015, 17800), (1160, 15575), (1246, 14500), (1400, 12905), (1450, 12460), (1624, 11125), (1750, 10324), (1780, 10150), (2030, 8900), (2225, 8120), (2492, 7250), (2581, 7000), (2900, 6230), (3115, 5800), (3500, 5162), (3560, 5075), (3625, 4984), (4060, 4450)]