222279680

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 621817560

約数和(自身を除く): 399537880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 443, 448, 490, 512, 560, 640, 784, 886, 896, 980, 1024, 1120, 1280, 1568, 1772, 1792, 1960, 2048, 2215, 2240, 2560, 3101, 3136, 3544, 3584, 3920, 4430, 4480, 5120, 6202, 6272, 7088, 7168, 7840, 8860, 8960, 10240, 12404, 12544, 14176, 14336, 15505, 15680, 17720, 17920, 21707, 24808, 25088, 28352, 31010, 31360, 35440, 35840, 43414, 49616, 50176, 56704, 62020, 62720, 70880, 71680, 86828, 99232, 100352, 108535, 113408, 124040, 125440, 141760, 173656, 198464, 217070, 226816, 248080, 250880, 283520, 347312, 396928, 434140, 453632, 496160, 501760, 567040, 694624, 793856, 868280, 907264, 992320, 1134080, 1389248, 1587712, 1736560, 1984640, 2268160, 2778496, 3175424, 3473120, 3969280, 4536320, 5556992, 6350848, 6946240, 7938560, 11113984, 13892480, 15877120, 22227968, 27784960, 31754240, 44455936, 55569920, 111139840, 222279680]

約数ペア:

[(1, 222279680), (2, 111139840), (4, 55569920), (5, 44455936), (7, 31754240), (8, 27784960), (10, 22227968), (14, 15877120), (16, 13892480), (20, 11113984), (28, 7938560), (32, 6946240), (35, 6350848), (40, 5556992), (49, 4536320), (56, 3969280), (64, 3473120), (70, 3175424), (80, 2778496), (98, 2268160), (112, 1984640), (128, 1736560), (140, 1587712), (160, 1389248), (196, 1134080), (224, 992320), (245, 907264), (256, 868280), (280, 793856), (320, 694624), (392, 567040), (443, 501760), (448, 496160), (490, 453632), (512, 434140), (560, 396928), (640, 347312), (784, 283520), (886, 250880), (896, 248080), (980, 226816), (1024, 217070), (1120, 198464), (1280, 173656), (1568, 141760), (1772, 125440), (1792, 124040), (1960, 113408), (2048, 108535), (2215, 100352), (2240, 99232), (2560, 86828), (3101, 71680), (3136, 70880), (3544, 62720), (3584, 62020), (3920, 56704), (4430, 50176), (4480, 49616), (5120, 43414), (6202, 35840), (6272, 35440), (7088, 31360), (7168, 31010), (7840, 28352), (8860, 25088), (8960, 24808), (10240, 21707), (12404, 17920), (12544, 17720), (14176, 15680), (14336, 15505)]