220142800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{12799}}^1$

素因数の和:12860

約数の個数: 60

約数和(自身を含む): 541235200

約数和(自身を除く): 321092400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 8600, 12799, 17200, 25598, 51196, 63995, 102392, 127990, 204784, 255980, 319975, 511960, 550357, 639950, 1023920, 1100714, 1279900, 2201428, 2559800, 2751785, 4402856, 5119600, 5503570, 8805712, 11007140, 13758925, 22014280, 27517850, 44028560, 55035700, 110071400, 220142800]

約数ペア:

[(1, 220142800), (2, 110071400), (4, 55035700), (5, 44028560), (8, 27517850), (10, 22014280), (16, 13758925), (20, 11007140), (25, 8805712), (40, 5503570), (43, 5119600), (50, 4402856), (80, 2751785), (86, 2559800), (100, 2201428), (172, 1279900), (200, 1100714), (215, 1023920), (344, 639950), (400, 550357), (430, 511960), (688, 319975), (860, 255980), (1075, 204784), (1720, 127990), (2150, 102392), (3440, 63995), (4300, 51196), (8600, 25598), (12799, 17200)]