245584880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{161569}}^1$

素因数の和:161601

約数の個数: 40

約数和(自身を含む): 601040400

約数和(自身を除く): 355455520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 161569, 323138, 646276, 807845, 1292552, 1615690, 2585104, 3069811, 3231380, 6139622, 6462760, 12279244, 12925520, 15349055, 24558488, 30698110, 49116976, 61396220, 122792440, 245584880]

約数ペア:

[(1, 245584880), (2, 122792440), (4, 61396220), (5, 49116976), (8, 30698110), (10, 24558488), (16, 15349055), (19, 12925520), (20, 12279244), (38, 6462760), (40, 6139622), (76, 3231380), (80, 3069811), (95, 2585104), (152, 1615690), (190, 1292552), (304, 807845), (380, 646276), (760, 323138), (1520, 161569)]