898936100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 2004538368

約数和(自身を除く): 1105602268

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 193, 235, 386, 470, 772, 940, 965, 991, 1175, 1930, 1982, 2350, 3860, 3964, 4700, 4825, 4955, 9071, 9650, 9910, 18142, 19300, 19820, 24775, 36284, 45355, 46577, 49550, 90710, 93154, 99100, 181420, 186308, 191263, 226775, 232885, 382526, 453550, 465770, 765052, 907100, 931540, 956315, 1164425, 1912630, 2328850, 3825260, 4657700, 4781575, 8989361, 9563150, 17978722, 19126300, 35957444, 44946805, 89893610, 179787220, 224734025, 449468050, 898936100]

約数ペア:

[(1, 898936100), (2, 449468050), (4, 224734025), (5, 179787220), (10, 89893610), (20, 44946805), (25, 35957444), (47, 19126300), (50, 17978722), (94, 9563150), (100, 8989361), (188, 4781575), (193, 4657700), (235, 3825260), (386, 2328850), (470, 1912630), (772, 1164425), (940, 956315), (965, 931540), (991, 907100), (1175, 765052), (1930, 465770), (1982, 453550), (2350, 382526), (3860, 232885), (3964, 226775), (4700, 191263), (4825, 186308), (4955, 181420), (9071, 99100), (9650, 93154), (9910, 90710), (18142, 49550), (19300, 46577), (19820, 45355), (24775, 36284)]