2278400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 66

約数和(自身を含む): 5711130

約数和(自身を除く): 3432730

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 256, 320, 356, 400, 445, 512, 640, 712, 800, 890, 1024, 1280, 1424, 1600, 1780, 2225, 2560, 2848, 3200, 3560, 4450, 5120, 5696, 6400, 7120, 8900, 11392, 12800, 14240, 17800, 22784, 25600, 28480, 35600, 45568, 56960, 71200, 91136, 113920, 142400, 227840, 284800, 455680, 569600, 1139200, 2278400]

約数ペア:

[(1, 2278400), (2, 1139200), (4, 569600), (5, 455680), (8, 284800), (10, 227840), (16, 142400), (20, 113920), (25, 91136), (32, 71200), (40, 56960), (50, 45568), (64, 35600), (80, 28480), (89, 25600), (100, 22784), (128, 17800), (160, 14240), (178, 12800), (200, 11392), (256, 8900), (320, 7120), (356, 6400), (400, 5696), (445, 5120), (512, 4450), (640, 3560), (712, 3200), (800, 2848), (890, 2560), (1024, 2225), (1280, 1780), (1424, 1600)]