781100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 1734264

約数和(自身を除く): 953164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 107, 146, 214, 292, 365, 428, 535, 730, 1070, 1460, 1825, 2140, 2675, 3650, 5350, 7300, 7811, 10700, 15622, 31244, 39055, 78110, 156220, 195275, 390550, 781100]

約数ペア:

[(1, 781100), (2, 390550), (4, 195275), (5, 156220), (10, 78110), (20, 39055), (25, 31244), (50, 15622), (73, 10700), (100, 7811), (107, 7300), (146, 5350), (214, 3650), (292, 2675), (365, 2140), (428, 1825), (535, 1460), (730, 1070)]