13902140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 33600000

約数和(自身を除く): 19697860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 499, 796, 995, 998, 1393, 1990, 1996, 2495, 2786, 3493, 3980, 4990, 5572, 6965, 6986, 9980, 13930, 13972, 17465, 27860, 34930, 69860, 99301, 198602, 397204, 496505, 695107, 993010, 1390214, 1986020, 2780428, 3475535, 6951070, 13902140]

約数ペア:

[(1, 13902140), (2, 6951070), (4, 3475535), (5, 2780428), (7, 1986020), (10, 1390214), (14, 993010), (20, 695107), (28, 496505), (35, 397204), (70, 198602), (140, 99301), (199, 69860), (398, 34930), (499, 27860), (796, 17465), (995, 13972), (998, 13930), (1393, 9980), (1990, 6986), (1996, 6965), (2495, 5572), (2786, 4990), (3493, 3980)]