51459800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 143127000

約数和(自身を除く): 91667200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 59, 70, 89, 98, 100, 118, 140, 175, 178, 196, 200, 236, 245, 280, 295, 350, 356, 392, 413, 445, 472, 490, 590, 623, 700, 712, 826, 890, 980, 1180, 1225, 1246, 1400, 1475, 1652, 1780, 1960, 2065, 2225, 2360, 2450, 2492, 2891, 2950, 3115, 3304, 3560, 4130, 4361, 4450, 4900, 4984, 5251, 5782, 5900, 6230, 8260, 8722, 8900, 9800, 10325, 10502, 11564, 11800, 12460, 14455, 15575, 16520, 17444, 17800, 20650, 21004, 21805, 23128, 24920, 26255, 28910, 31150, 34888, 36757, 41300, 42008, 43610, 52510, 57820, 62300, 72275, 73514, 82600, 87220, 105020, 109025, 115640, 124600, 131275, 144550, 147028, 174440, 183785, 210040, 218050, 257299, 262550, 289100, 294056, 367570, 436100, 514598, 525100, 578200, 735140, 872200, 918925, 1029196, 1050200, 1286495, 1470280, 1837850, 2058392, 2572990, 3675700, 5145980, 6432475, 7351400, 10291960, 12864950, 25729900, 51459800]

約数ペア:

[(1, 51459800), (2, 25729900), (4, 12864950), (5, 10291960), (7, 7351400), (8, 6432475), (10, 5145980), (14, 3675700), (20, 2572990), (25, 2058392), (28, 1837850), (35, 1470280), (40, 1286495), (49, 1050200), (50, 1029196), (56, 918925), (59, 872200), (70, 735140), (89, 578200), (98, 525100), (100, 514598), (118, 436100), (140, 367570), (175, 294056), (178, 289100), (196, 262550), (200, 257299), (236, 218050), (245, 210040), (280, 183785), (295, 174440), (350, 147028), (356, 144550), (392, 131275), (413, 124600), (445, 115640), (472, 109025), (490, 105020), (590, 87220), (623, 82600), (700, 73514), (712, 72275), (826, 62300), (890, 57820), (980, 52510), (1180, 43610), (1225, 42008), (1246, 41300), (1400, 36757), (1475, 34888), (1652, 31150), (1780, 28910), (1960, 26255), (2065, 24920), (2225, 23128), (2360, 21805), (2450, 21004), (2492, 20650), (2891, 17800), (2950, 17444), (3115, 16520), (3304, 15575), (3560, 14455), (4130, 12460), (4361, 11800), (4450, 11564), (4900, 10502), (4984, 10325), (5251, 9800), (5782, 8900), (5900, 8722), (6230, 8260)]