212451520

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3709}}^1$

素因数の和:3905

約数の個数: 56

約数和(自身を含む): 508863600

約数和(自身を除く): 296412080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1432, 1790, 2864, 3580, 3709, 5728, 7160, 7418, 11456, 14320, 14836, 18545, 28640, 29672, 37090, 57280, 59344, 74180, 118688, 148360, 237376, 296720, 593440, 663911, 1186880, 1327822, 2655644, 3319555, 5311288, 6639110, 10622576, 13278220, 21245152, 26556440, 42490304, 53112880, 106225760, 212451520]

約数ペア:

[(1, 212451520), (2, 106225760), (4, 53112880), (5, 42490304), (8, 26556440), (10, 21245152), (16, 13278220), (20, 10622576), (32, 6639110), (40, 5311288), (64, 3319555), (80, 2655644), (160, 1327822), (179, 1186880), (320, 663911), (358, 593440), (716, 296720), (895, 237376), (1432, 148360), (1790, 118688), (2864, 74180), (3580, 59344), (3709, 57280), (5728, 37090), (7160, 29672), (7418, 28640), (11456, 18545), (14320, 14836)]