78443120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20011}}^1$

素因数の和:20038

約数の個数: 60

約数和(自身を含む): 212167224

約数和(自身を除く): 133724104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20011, 40022, 80044, 100055, 140077, 160088, 200110, 280154, 320176, 400220, 560308, 700385, 800440, 980539, 1120616, 1400770, 1600880, 1961078, 2241232, 2801540, 3922156, 4902695, 5603080, 7844312, 9805390, 11206160, 15688624, 19610780, 39221560, 78443120]

約数ペア:

[(1, 78443120), (2, 39221560), (4, 19610780), (5, 15688624), (7, 11206160), (8, 9805390), (10, 7844312), (14, 5603080), (16, 4902695), (20, 3922156), (28, 2801540), (35, 2241232), (40, 1961078), (49, 1600880), (56, 1400770), (70, 1120616), (80, 980539), (98, 800440), (112, 700385), (140, 560308), (196, 400220), (245, 320176), (280, 280154), (392, 200110), (490, 160088), (560, 140077), (784, 100055), (980, 80044), (1960, 40022), (3920, 20011)]