131061400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 318060000

約数和(自身を除く): 186998600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 89, 100, 148, 178, 185, 199, 200, 296, 356, 370, 398, 445, 712, 740, 796, 890, 925, 995, 1480, 1592, 1780, 1850, 1990, 2225, 3293, 3560, 3700, 3980, 4450, 4975, 6586, 7363, 7400, 7960, 8900, 9950, 13172, 14726, 16465, 17711, 17800, 19900, 26344, 29452, 32930, 35422, 36815, 39800, 58904, 65860, 70844, 73630, 82325, 88555, 131720, 141688, 147260, 164650, 177110, 184075, 294520, 329300, 354220, 368150, 442775, 655307, 658600, 708440, 736300, 885550, 1310614, 1472600, 1771100, 2621228, 3276535, 3542200, 5242456, 6553070, 13106140, 16382675, 26212280, 32765350, 65530700, 131061400]

約数ペア:

[(1, 131061400), (2, 65530700), (4, 32765350), (5, 26212280), (8, 16382675), (10, 13106140), (20, 6553070), (25, 5242456), (37, 3542200), (40, 3276535), (50, 2621228), (74, 1771100), (89, 1472600), (100, 1310614), (148, 885550), (178, 736300), (185, 708440), (199, 658600), (200, 655307), (296, 442775), (356, 368150), (370, 354220), (398, 329300), (445, 294520), (712, 184075), (740, 177110), (796, 164650), (890, 147260), (925, 141688), (995, 131720), (1480, 88555), (1592, 82325), (1780, 73630), (1850, 70844), (1990, 65860), (2225, 58904), (3293, 39800), (3560, 36815), (3700, 35422), (3980, 32930), (4450, 29452), (4975, 26344), (6586, 19900), (7363, 17800), (7400, 17711), (7960, 16465), (8900, 14726), (9950, 13172)]