38976140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 94080000

約数和(自身を除く): 55103860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1399, 1990, 2786, 2798, 3980, 5572, 5596, 6965, 6995, 9793, 13930, 13990, 19586, 27860, 27980, 39172, 48965, 97930, 195860, 278401, 556802, 1113604, 1392005, 1948807, 2784010, 3897614, 5568020, 7795228, 9744035, 19488070, 38976140]

約数ペア:

[(1, 38976140), (2, 19488070), (4, 9744035), (5, 7795228), (7, 5568020), (10, 3897614), (14, 2784010), (20, 1948807), (28, 1392005), (35, 1113604), (70, 556802), (140, 278401), (199, 195860), (398, 97930), (796, 48965), (995, 39172), (1393, 27980), (1399, 27860), (1990, 19586), (2786, 13990), (2798, 13930), (3980, 9793), (5572, 6995), (5596, 6965)]