289148690

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 528802560

約数和(自身を除く): 239653870

約数列:

[1, 2, 5, 10, 79, 158, 395, 571, 641, 790, 1142, 1282, 2855, 3205, 5710, 6410, 45109, 50639, 90218, 101278, 225545, 253195, 366011, 451090, 506390, 732022, 1830055, 3660110, 28914869, 57829738, 144574345, 289148690]

約数ペア:

[(1, 289148690), (2, 144574345), (5, 57829738), (10, 28914869), (79, 3660110), (158, 1830055), (395, 732022), (571, 506390), (641, 451090), (790, 366011), (1142, 253195), (1282, 225545), (2855, 101278), (3205, 90218), (5710, 50639), (6410, 45109)]