4385920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 13219200

約数和(自身を除く): 8833280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 89, 110, 112, 128, 140, 154, 160, 176, 178, 220, 224, 280, 308, 320, 352, 356, 385, 440, 445, 448, 560, 616, 623, 640, 704, 712, 770, 880, 890, 896, 979, 1120, 1232, 1246, 1408, 1424, 1540, 1760, 1780, 1958, 2240, 2464, 2492, 2848, 3080, 3115, 3520, 3560, 3916, 4480, 4895, 4928, 4984, 5696, 6160, 6230, 6853, 7040, 7120, 7832, 9790, 9856, 9968, 11392, 12320, 12460, 13706, 14240, 15664, 19580, 19936, 24640, 24920, 27412, 28480, 31328, 34265, 39160, 39872, 49280, 49840, 54824, 56960, 62656, 68530, 78320, 79744, 99680, 109648, 125312, 137060, 156640, 199360, 219296, 274120, 313280, 398720, 438592, 548240, 626560, 877184, 1096480, 2192960, 4385920]

約数ペア:

[(1, 4385920), (2, 2192960), (4, 1096480), (5, 877184), (7, 626560), (8, 548240), (10, 438592), (11, 398720), (14, 313280), (16, 274120), (20, 219296), (22, 199360), (28, 156640), (32, 137060), (35, 125312), (40, 109648), (44, 99680), (55, 79744), (56, 78320), (64, 68530), (70, 62656), (77, 56960), (80, 54824), (88, 49840), (89, 49280), (110, 39872), (112, 39160), (128, 34265), (140, 31328), (154, 28480), (160, 27412), (176, 24920), (178, 24640), (220, 19936), (224, 19580), (280, 15664), (308, 14240), (320, 13706), (352, 12460), (356, 12320), (385, 11392), (440, 9968), (445, 9856), (448, 9790), (560, 7832), (616, 7120), (623, 7040), (640, 6853), (704, 6230), (712, 6160), (770, 5696), (880, 4984), (890, 4928), (896, 4895), (979, 4480), (1120, 3916), (1232, 3560), (1246, 3520), (1408, 3115), (1424, 3080), (1540, 2848), (1760, 2492), (1780, 2464), (1958, 2240)]