209052540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1161403}}^1$

素因数の和:1161418

約数の個数: 36

約数和(自身を含む): 634126584

約数和(自身を除く): 425074044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1161403, 2322806, 3484209, 4645612, 5807015, 6968418, 10452627, 11614030, 13936836, 17421045, 20905254, 23228060, 34842090, 41810508, 52263135, 69684180, 104526270, 209052540]

約数ペア:

[(1, 209052540), (2, 104526270), (3, 69684180), (4, 52263135), (5, 41810508), (6, 34842090), (9, 23228060), (10, 20905254), (12, 17421045), (15, 13936836), (18, 11614030), (20, 10452627), (30, 6968418), (36, 5807015), (45, 4645612), (60, 3484209), (90, 2322806), (180, 1161403)]