2582980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 5878656

約数和(自身を除く): 3295676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 107, 142, 170, 214, 284, 340, 355, 428, 535, 710, 1070, 1207, 1420, 1819, 2140, 2414, 3638, 4828, 6035, 7276, 7597, 9095, 12070, 15194, 18190, 24140, 30388, 36380, 37985, 75970, 129149, 151940, 258298, 516596, 645745, 1291490, 2582980]

約数ペア:

[(1, 2582980), (2, 1291490), (4, 645745), (5, 516596), (10, 258298), (17, 151940), (20, 129149), (34, 75970), (68, 37985), (71, 36380), (85, 30388), (107, 24140), (142, 18190), (170, 15194), (214, 12070), (284, 9095), (340, 7597), (355, 7276), (428, 6035), (535, 4828), (710, 3638), (1070, 2414), (1207, 2140), (1420, 1819)]