1947771900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{721397}}^1$

素因数の和:721420

約数の個数: 72

約数和(自身を含む): 6261734640

約数和(自身を除く): 4313962740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 721397, 1442794, 2164191, 2885588, 3606985, 4328382, 6492573, 7213970, 8656764, 10820955, 12985146, 14427940, 18034925, 19477719, 21641910, 25970292, 32462865, 36069850, 38955438, 43283820, 54104775, 64925730, 72139700, 77910876, 97388595, 108209550, 129851460, 162314325, 194777190, 216419100, 324628650, 389554380, 486942975, 649257300, 973885950, 1947771900]

約数ペア:

[(1, 1947771900), (2, 973885950), (3, 649257300), (4, 486942975), (5, 389554380), (6, 324628650), (9, 216419100), (10, 194777190), (12, 162314325), (15, 129851460), (18, 108209550), (20, 97388595), (25, 77910876), (27, 72139700), (30, 64925730), (36, 54104775), (45, 43283820), (50, 38955438), (54, 36069850), (60, 32462865), (75, 25970292), (90, 21641910), (100, 19477719), (108, 18034925), (135, 14427940), (150, 12985146), (180, 10820955), (225, 8656764), (270, 7213970), (300, 6492573), (450, 4328382), (540, 3606985), (675, 2885588), (900, 2164191), (1350, 1442794), (2700, 721397)]