71890870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16451}}^1$

素因数の和:16500

約数の個数: 32

約数和(自身を含む): 142145280

約数和(自身を除く): 70254410

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 16451, 32902, 82255, 164510, 312569, 378373, 625138, 756746, 1562845, 1891865, 3125690, 3783730, 7189087, 14378174, 35945435, 71890870]

約数ペア:

[(1, 71890870), (2, 35945435), (5, 14378174), (10, 7189087), (19, 3783730), (23, 3125690), (38, 1891865), (46, 1562845), (95, 756746), (115, 625138), (190, 378373), (230, 312569), (437, 164510), (874, 82255), (2185, 32902), (4370, 16451)]