650185160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{2957}}^1$

素因数の和:3230

約数の個数: 64

約数和(自身を含む): 1533427200

約数和(自身を除く): 883242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 239, 460, 478, 920, 956, 1195, 1912, 2390, 2957, 4780, 5497, 5914, 9560, 10994, 11828, 14785, 21988, 23656, 27485, 29570, 43976, 54970, 59140, 68011, 109940, 118280, 136022, 219880, 272044, 340055, 544088, 680110, 706723, 1360220, 1413446, 2720440, 2826892, 3533615, 5653784, 7067230, 14134460, 16254629, 28268920, 32509258, 65018516, 81273145, 130037032, 162546290, 325092580, 650185160]

約数ペア:

[(1, 650185160), (2, 325092580), (4, 162546290), (5, 130037032), (8, 81273145), (10, 65018516), (20, 32509258), (23, 28268920), (40, 16254629), (46, 14134460), (92, 7067230), (115, 5653784), (184, 3533615), (230, 2826892), (239, 2720440), (460, 1413446), (478, 1360220), (920, 706723), (956, 680110), (1195, 544088), (1912, 340055), (2390, 272044), (2957, 219880), (4780, 136022), (5497, 118280), (5914, 109940), (9560, 68011), (10994, 59140), (11828, 54970), (14785, 43976), (21988, 29570), (23656, 27485)]