2178123156725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{859}}^1\times {\mathrm{1123}}^1\times {\mathrm{2441}}^1$

素因数の和:4470

約数の個数: 48

約数和(自身を含む): 2780710088640

約数和(自身を除く): 602586931915

約数列:

[1, 5, 25, 37, 185, 859, 925, 1123, 2441, 4295, 5615, 12205, 21475, 28075, 31783, 41551, 61025, 90317, 158915, 207755, 451585, 794575, 964657, 1038775, 2096819, 2257925, 2741243, 4823285, 10484095, 13706215, 24116425, 35692309, 52420475, 68531075, 77582303, 101425991, 178461545, 387911515, 507129955, 892307725, 1939557575, 2354727737, 2535649775, 11773638685, 58868193425, 87124926269, 435624631345, 2178123156725]

約数ペア:

[(1, 2178123156725), (5, 435624631345), (25, 87124926269), (37, 58868193425), (185, 11773638685), (859, 2535649775), (925, 2354727737), (1123, 1939557575), (2441, 892307725), (4295, 507129955), (5615, 387911515), (12205, 178461545), (21475, 101425991), (28075, 77582303), (31783, 68531075), (41551, 52420475), (61025, 35692309), (90317, 24116425), (158915, 13706215), (207755, 10484095), (451585, 4823285), (794575, 2741243), (964657, 2257925), (1038775, 2096819)]