201449560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387403}}^1$

素因数の和:387427

約数の個数: 32

約数和(自身を含む): 488129040

約数和(自身を除く): 286679480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387403, 774806, 1549612, 1937015, 3099224, 3874030, 5036239, 7748060, 10072478, 15496120, 20144956, 25181195, 40289912, 50362390, 100724780, 201449560]

約数ペア:

[(1, 201449560), (2, 100724780), (4, 50362390), (5, 40289912), (8, 25181195), (10, 20144956), (13, 15496120), (20, 10072478), (26, 7748060), (40, 5036239), (52, 3874030), (65, 3099224), (104, 1937015), (130, 1549612), (260, 774806), (520, 387403)]