28496800

素因数分解:

$2^5\times 5^2\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 70308000

約数和(自身を除く): 41811200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 179, 199, 200, 358, 398, 400, 716, 796, 800, 895, 995, 1432, 1592, 1790, 1990, 2864, 3184, 3580, 3980, 4475, 4975, 5728, 6368, 7160, 7960, 8950, 9950, 14320, 15920, 17900, 19900, 28640, 31840, 35621, 35800, 39800, 71242, 71600, 79600, 142484, 143200, 159200, 178105, 284968, 356210, 569936, 712420, 890525, 1139872, 1424840, 1781050, 2849680, 3562100, 5699360, 7124200, 14248400, 28496800]

約数ペア:

[(1, 28496800), (2, 14248400), (4, 7124200), (5, 5699360), (8, 3562100), (10, 2849680), (16, 1781050), (20, 1424840), (25, 1139872), (32, 890525), (40, 712420), (50, 569936), (80, 356210), (100, 284968), (160, 178105), (179, 159200), (199, 143200), (200, 142484), (358, 79600), (398, 71600), (400, 71242), (716, 39800), (796, 35800), (800, 35621), (895, 31840), (995, 28640), (1432, 19900), (1592, 17900), (1790, 15920), (1990, 14320), (2864, 9950), (3184, 8950), (3580, 7960), (3980, 7160), (4475, 6368), (4975, 5728)]