164025340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4337}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 361476864

約数和(自身を除く): 197451524

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 4337, 7564, 8674, 9455, 17348, 18910, 21685, 37820, 43370, 86740, 134447, 264557, 268894, 529114, 537788, 672235, 1058228, 1322785, 1344470, 2645570, 2688940, 5291140, 8201267, 16402534, 32805068, 41006335, 82012670, 164025340]

約数ペア:

[(1, 164025340), (2, 82012670), (4, 41006335), (5, 32805068), (10, 16402534), (20, 8201267), (31, 5291140), (61, 2688940), (62, 2645570), (122, 1344470), (124, 1322785), (155, 1058228), (244, 672235), (305, 537788), (310, 529114), (610, 268894), (620, 264557), (1220, 134447), (1891, 86740), (3782, 43370), (4337, 37820), (7564, 21685), (8674, 18910), (9455, 17348)]