38965640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 100742400

約数和(自身を除く): 61776760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 439, 634, 878, 1268, 1585, 1756, 2195, 2219, 2536, 3073, 3170, 3512, 4390, 4438, 6146, 6340, 8780, 8876, 11095, 12292, 12680, 15365, 17560, 17752, 22190, 24584, 30730, 44380, 61460, 88760, 122920, 139163, 278326, 556652, 695815, 974141, 1113304, 1391630, 1948282, 2783260, 3896564, 4870705, 5566520, 7793128, 9741410, 19482820, 38965640]

約数ペア:

[(1, 38965640), (2, 19482820), (4, 9741410), (5, 7793128), (7, 5566520), (8, 4870705), (10, 3896564), (14, 2783260), (20, 1948282), (28, 1391630), (35, 1113304), (40, 974141), (56, 695815), (70, 556652), (140, 278326), (280, 139163), (317, 122920), (439, 88760), (634, 61460), (878, 44380), (1268, 30730), (1585, 24584), (1756, 22190), (2195, 17752), (2219, 17560), (2536, 15365), (3073, 12680), (3170, 12292), (3512, 11095), (4390, 8876), (4438, 8780), (6146, 6340)]