18004700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 47965680

約数和(自身を除く): 29960980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 89, 100, 119, 140, 170, 175, 178, 238, 289, 340, 350, 356, 425, 445, 476, 578, 595, 623, 700, 850, 890, 1156, 1190, 1246, 1445, 1513, 1700, 1780, 2023, 2225, 2380, 2492, 2890, 2975, 3026, 3115, 4046, 4450, 5780, 5950, 6052, 6230, 7225, 7565, 8092, 8900, 10115, 10591, 11900, 12460, 14450, 15130, 15575, 20230, 21182, 25721, 28900, 30260, 31150, 37825, 40460, 42364, 50575, 51442, 52955, 62300, 75650, 101150, 102884, 105910, 128605, 151300, 180047, 202300, 211820, 257210, 264775, 360094, 514420, 529550, 643025, 720188, 900235, 1059100, 1286050, 1800470, 2572100, 3600940, 4501175, 9002350, 18004700]

約数ペア:

[(1, 18004700), (2, 9002350), (4, 4501175), (5, 3600940), (7, 2572100), (10, 1800470), (14, 1286050), (17, 1059100), (20, 900235), (25, 720188), (28, 643025), (34, 529550), (35, 514420), (50, 360094), (68, 264775), (70, 257210), (85, 211820), (89, 202300), (100, 180047), (119, 151300), (140, 128605), (170, 105910), (175, 102884), (178, 101150), (238, 75650), (289, 62300), (340, 52955), (350, 51442), (356, 50575), (425, 42364), (445, 40460), (476, 37825), (578, 31150), (595, 30260), (623, 28900), (700, 25721), (850, 21182), (890, 20230), (1156, 15575), (1190, 15130), (1246, 14450), (1445, 12460), (1513, 11900), (1700, 10591), (1780, 10115), (2023, 8900), (2225, 8092), (2380, 7565), (2492, 7225), (2890, 6230), (2975, 6052), (3026, 5950), (3115, 5780), (4046, 4450)]