180397100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 424347840

約数和(自身を除く): 243950740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 193, 260, 325, 386, 650, 719, 772, 965, 1300, 1438, 1930, 2509, 2876, 3595, 3860, 4825, 5018, 7190, 9347, 9650, 10036, 12545, 14380, 17975, 18694, 19300, 25090, 35950, 37388, 46735, 50180, 62725, 71900, 93470, 125450, 138767, 186940, 233675, 250900, 277534, 467350, 555068, 693835, 934700, 1387670, 1803971, 2775340, 3469175, 3607942, 6938350, 7215884, 9019855, 13876700, 18039710, 36079420, 45099275, 90198550, 180397100]

約数ペア:

[(1, 180397100), (2, 90198550), (4, 45099275), (5, 36079420), (10, 18039710), (13, 13876700), (20, 9019855), (25, 7215884), (26, 6938350), (50, 3607942), (52, 3469175), (65, 2775340), (100, 1803971), (130, 1387670), (193, 934700), (260, 693835), (325, 555068), (386, 467350), (650, 277534), (719, 250900), (772, 233675), (965, 186940), (1300, 138767), (1438, 125450), (1930, 93470), (2509, 71900), (2876, 62725), (3595, 50180), (3860, 46735), (4825, 37388), (5018, 35950), (7190, 25090), (9347, 19300), (9650, 18694), (10036, 17975), (12545, 14380)]