394491440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{704449}}^1$

素因数の和:704469

約数の個数: 40

約数和(自身を含む): 1048221600

約数和(自身を除く): 653730160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 704449, 1408898, 2817796, 3522245, 4931143, 5635592, 7044490, 9862286, 11271184, 14088980, 19724572, 24655715, 28177960, 39449144, 49311430, 56355920, 78898288, 98622860, 197245720, 394491440]

約数ペア:

[(1, 394491440), (2, 197245720), (4, 98622860), (5, 78898288), (7, 56355920), (8, 49311430), (10, 39449144), (14, 28177960), (16, 24655715), (20, 19724572), (28, 14088980), (35, 11271184), (40, 9862286), (56, 7044490), (70, 5635592), (80, 4931143), (112, 3522245), (140, 2817796), (280, 1408898), (560, 704449)]