287331380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{19181}}^1$

素因数の和:19304

約数の個数: 48

約数和(自身を含む): 696076416

約数和(自身を除く): 408745036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 19181, 38362, 76724, 95905, 134267, 191810, 268534, 383620, 537068, 671335, 1342670, 2052367, 2685340, 4104734, 8209468, 10261835, 14366569, 20523670, 28733138, 41047340, 57466276, 71832845, 143665690, 287331380]

約数ペア:

[(1, 287331380), (2, 143665690), (4, 71832845), (5, 57466276), (7, 41047340), (10, 28733138), (14, 20523670), (20, 14366569), (28, 10261835), (35, 8209468), (70, 4104734), (107, 2685340), (140, 2052367), (214, 1342670), (428, 671335), (535, 537068), (749, 383620), (1070, 268534), (1498, 191810), (2140, 134267), (2996, 95905), (3745, 76724), (7490, 38362), (14980, 19181)]