426668800

素因数分解:

$2^8\times 5^2\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:598

約数の個数: 108

約数和(自身を含む): 1065148840

約数和(自身を除く): 638480040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 163, 200, 256, 320, 326, 400, 409, 640, 652, 800, 815, 818, 1280, 1304, 1600, 1630, 1636, 2045, 2608, 3200, 3260, 3272, 4075, 4090, 5216, 6400, 6520, 6544, 8150, 8180, 10225, 10432, 13040, 13088, 16300, 16360, 20450, 20864, 26080, 26176, 32600, 32720, 40900, 41728, 52160, 52352, 65200, 65440, 66667, 81800, 104320, 104704, 130400, 130880, 133334, 163600, 208640, 260800, 261760, 266668, 327200, 333335, 521600, 523520, 533336, 654400, 666670, 1043200, 1066672, 1308800, 1333340, 1666675, 2133344, 2617600, 2666680, 3333350, 4266688, 5333360, 6666700, 8533376, 10666720, 13333400, 17066752, 21333440, 26666800, 42666880, 53333600, 85333760, 106667200, 213334400, 426668800]

約数ペア:

[(1, 426668800), (2, 213334400), (4, 106667200), (5, 85333760), (8, 53333600), (10, 42666880), (16, 26666800), (20, 21333440), (25, 17066752), (32, 13333400), (40, 10666720), (50, 8533376), (64, 6666700), (80, 5333360), (100, 4266688), (128, 3333350), (160, 2666680), (163, 2617600), (200, 2133344), (256, 1666675), (320, 1333340), (326, 1308800), (400, 1066672), (409, 1043200), (640, 666670), (652, 654400), (800, 533336), (815, 523520), (818, 521600), (1280, 333335), (1304, 327200), (1600, 266668), (1630, 261760), (1636, 260800), (2045, 208640), (2608, 163600), (3200, 133334), (3260, 130880), (3272, 130400), (4075, 104704), (4090, 104320), (5216, 81800), (6400, 66667), (6520, 65440), (6544, 65200), (8150, 52352), (8180, 52160), (10225, 41728), (10432, 40900), (13040, 32720), (13088, 32600), (16300, 26176), (16360, 26080), (20450, 20864)]