257415570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{317797}}^1$

素因数の和:317816

約数の個数: 40

約数和(自身を含む): 692164044

約数和(自身を除く): 434748474

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 317797, 635594, 953391, 1588985, 1906782, 2860173, 3177970, 4766955, 5720346, 8580519, 9533910, 14300865, 17161038, 25741557, 28601730, 42902595, 51483114, 85805190, 128707785, 257415570]

約数ペア:

[(1, 257415570), (2, 128707785), (3, 85805190), (5, 51483114), (6, 42902595), (9, 28601730), (10, 25741557), (15, 17161038), (18, 14300865), (27, 9533910), (30, 8580519), (45, 5720346), (54, 4766955), (81, 3177970), (90, 2860173), (135, 1906782), (162, 1588985), (270, 953391), (405, 635594), (810, 317797)]