1321050900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{338731}}^1$

素因数の和:338761

約数の個数: 72

約数和(自身を含む): 4116271264

約数和(自身を除く): 2795220364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 338731, 677462, 1016193, 1354924, 1693655, 2032386, 3387310, 4064772, 4403503, 5080965, 6774620, 8468275, 8807006, 10161930, 13210509, 16936550, 17614012, 20323860, 22017515, 25404825, 26421018, 33873100, 44035030, 50809650, 52842036, 66052545, 88070060, 101619300, 110087575, 132105090, 220175150, 264210180, 330262725, 440350300, 660525450, 1321050900]

約数ペア:

[(1, 1321050900), (2, 660525450), (3, 440350300), (4, 330262725), (5, 264210180), (6, 220175150), (10, 132105090), (12, 110087575), (13, 101619300), (15, 88070060), (20, 66052545), (25, 52842036), (26, 50809650), (30, 44035030), (39, 33873100), (50, 26421018), (52, 25404825), (60, 22017515), (65, 20323860), (75, 17614012), (78, 16936550), (100, 13210509), (130, 10161930), (150, 8807006), (156, 8468275), (195, 6774620), (260, 5080965), (300, 4403503), (325, 4064772), (390, 3387310), (650, 2032386), (780, 1693655), (975, 1354924), (1300, 1016193), (1950, 677462), (3900, 338731)]