308979040

素因数分解:

$2^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3467}}^1$

素因数の和:4039

約数の個数: 48

約数和(自身を含む): 731484432

約数和(自身を除く): 422505392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 557, 1114, 2228, 2785, 3467, 4456, 5570, 6934, 8912, 11140, 13868, 17335, 17824, 22280, 27736, 34670, 44560, 55472, 69340, 89120, 110944, 138680, 277360, 554720, 1931119, 3862238, 7724476, 9655595, 15448952, 19311190, 30897904, 38622380, 61795808, 77244760, 154489520, 308979040]

約数ペア:

[(1, 308979040), (2, 154489520), (4, 77244760), (5, 61795808), (8, 38622380), (10, 30897904), (16, 19311190), (20, 15448952), (32, 9655595), (40, 7724476), (80, 3862238), (160, 1931119), (557, 554720), (1114, 277360), (2228, 138680), (2785, 110944), (3467, 89120), (4456, 69340), (5570, 55472), (6934, 44560), (8912, 34670), (11140, 27736), (13868, 22280), (17335, 17824)]