131158420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1193}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 288852480

約数和(自身を除く): 157694060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 956, 1193, 1195, 2386, 2390, 4772, 4780, 5497, 5965, 10994, 11930, 21988, 23860, 27439, 27485, 54878, 54970, 109756, 109940, 137195, 274390, 285127, 548780, 570254, 1140508, 1425635, 2851270, 5702540, 6557921, 13115842, 26231684, 32789605, 65579210, 131158420]

約数ペア:

[(1, 131158420), (2, 65579210), (4, 32789605), (5, 26231684), (10, 13115842), (20, 6557921), (23, 5702540), (46, 2851270), (92, 1425635), (115, 1140508), (230, 570254), (239, 548780), (460, 285127), (478, 274390), (956, 137195), (1193, 109940), (1195, 109756), (2386, 54970), (2390, 54878), (4772, 27485), (4780, 27439), (5497, 23860), (5965, 21988), (10994, 11930)]