421795600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 120

約数和(自身を含む): 1050334560

約数和(自身を除く): 628538960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 137, 172, 179, 200, 215, 274, 344, 358, 400, 430, 548, 685, 688, 716, 860, 895, 1075, 1096, 1370, 1432, 1720, 1790, 2150, 2192, 2740, 2864, 3425, 3440, 3580, 4300, 4475, 5480, 5891, 6850, 7160, 7697, 8600, 8950, 10960, 11782, 13700, 14320, 15394, 17200, 17900, 23564, 24523, 27400, 29455, 30788, 35800, 38485, 47128, 49046, 54800, 58910, 61576, 71600, 76970, 94256, 98092, 117820, 122615, 123152, 147275, 153940, 192425, 196184, 235640, 245230, 294550, 307880, 384850, 392368, 471280, 490460, 589100, 613075, 615760, 769700, 980920, 1054489, 1178200, 1226150, 1539400, 1961840, 2108978, 2356400, 2452300, 3078800, 4217956, 4904600, 5272445, 8435912, 9809200, 10544890, 16871824, 21089780, 26362225, 42179560, 52724450, 84359120, 105448900, 210897800, 421795600]

約数ペア:

[(1, 421795600), (2, 210897800), (4, 105448900), (5, 84359120), (8, 52724450), (10, 42179560), (16, 26362225), (20, 21089780), (25, 16871824), (40, 10544890), (43, 9809200), (50, 8435912), (80, 5272445), (86, 4904600), (100, 4217956), (137, 3078800), (172, 2452300), (179, 2356400), (200, 2108978), (215, 1961840), (274, 1539400), (344, 1226150), (358, 1178200), (400, 1054489), (430, 980920), (548, 769700), (685, 615760), (688, 613075), (716, 589100), (860, 490460), (895, 471280), (1075, 392368), (1096, 384850), (1370, 307880), (1432, 294550), (1720, 245230), (1790, 235640), (2150, 196184), (2192, 192425), (2740, 153940), (2864, 147275), (3425, 123152), (3440, 122615), (3580, 117820), (4300, 98092), (4475, 94256), (5480, 76970), (5891, 71600), (6850, 61576), (7160, 58910), (7697, 54800), (8600, 49046), (8950, 47128), (10960, 38485), (11782, 35800), (13700, 30788), (14320, 29455), (15394, 27400), (17200, 24523), (17900, 23564)]