203946880

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1429}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 490089600

約数和(自身を除く): 286142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1429, 1784, 2230, 2858, 3568, 4460, 5716, 7136, 7145, 8920, 11432, 14272, 14290, 17840, 22864, 28544, 28580, 35680, 45728, 57160, 71360, 91456, 114320, 142720, 182912, 228640, 318667, 457280, 637334, 914560, 1274668, 1593335, 2549336, 3186670, 5098672, 6373340, 10197344, 12746680, 20394688, 25493360, 40789376, 50986720, 101973440, 203946880]

約数ペア:

[(1, 203946880), (2, 101973440), (4, 50986720), (5, 40789376), (8, 25493360), (10, 20394688), (16, 12746680), (20, 10197344), (32, 6373340), (40, 5098672), (64, 3186670), (80, 2549336), (128, 1593335), (160, 1274668), (223, 914560), (320, 637334), (446, 457280), (640, 318667), (892, 228640), (1115, 182912), (1429, 142720), (1784, 114320), (2230, 91456), (2858, 71360), (3568, 57160), (4460, 45728), (5716, 35680), (7136, 28580), (7145, 28544), (8920, 22864), (11432, 17840), (14272, 14290)]