56729900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 128325120

約数和(自身を除く): 71595220

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 79, 86, 100, 158, 167, 172, 215, 316, 334, 395, 430, 668, 790, 835, 860, 1075, 1580, 1670, 1975, 2150, 3340, 3397, 3950, 4175, 4300, 6794, 7181, 7900, 8350, 13193, 13588, 14362, 16700, 16985, 26386, 28724, 33970, 35905, 52772, 65965, 67940, 71810, 84925, 131930, 143620, 169850, 179525, 263860, 329825, 339700, 359050, 567299, 659650, 718100, 1134598, 1319300, 2269196, 2836495, 5672990, 11345980, 14182475, 28364950, 56729900]

約数ペア:

[(1, 56729900), (2, 28364950), (4, 14182475), (5, 11345980), (10, 5672990), (20, 2836495), (25, 2269196), (43, 1319300), (50, 1134598), (79, 718100), (86, 659650), (100, 567299), (158, 359050), (167, 339700), (172, 329825), (215, 263860), (316, 179525), (334, 169850), (395, 143620), (430, 131930), (668, 84925), (790, 71810), (835, 67940), (860, 65965), (1075, 52772), (1580, 35905), (1670, 33970), (1975, 28724), (2150, 26386), (3340, 16985), (3397, 16700), (3950, 14362), (4175, 13588), (4300, 13193), (6794, 8350), (7181, 7900)]