1568199920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{400051}}^1$

素因数の和:400078

約数の個数: 60

約数和(自身を含む): 4241351304

約数和(自身を除く): 2673151384

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, 400051, 800102, 1600204, 2000255, 2800357, 3200408, 4000510, 5600714, 6400816, 8001020, 11201428, 14001785, 16002040, 19602499, 22402856, 28003570, 32004080, 39204998, 44805712, 56007140, 78409996, 98012495, 112014280, 156819992, 196024990, 224028560, 313639984, 392049980, 784099960, 1568199920]

約数ペア:

[(1, 1568199920), (2, 784099960), (4, 392049980), (5, 313639984), (7, 224028560), (8, 196024990), (10, 156819992), (14, 112014280), (16, 98012495), (20, 78409996), (28, 56007140), (35, 44805712), (40, 39204998), (49, 32004080), (56, 28003570), (70, 22402856), (80, 19602499), (98, 16002040), (112, 14001785), (140, 11201428), (196, 8001020), (245, 6400816), (280, 5600714), (392, 4000510), (490, 3200408), (560, 2800357), (784, 2000255), (980, 1600204), (1960, 800102), (3920, 400051)]