213302150

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{31139}}^1$

素因数の和:31288

約数の個数: 24

約数和(自身を含む): 399650760

約数和(自身を除く): 186348610

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 3425, 6850, 31139, 62278, 155695, 311390, 778475, 1556950, 4266043, 8532086, 21330215, 42660430, 106651075, 213302150]

約数ペア:

[(1, 213302150), (2, 106651075), (5, 42660430), (10, 21330215), (25, 8532086), (50, 4266043), (137, 1556950), (274, 778475), (685, 311390), (1370, 155695), (3425, 62278), (6850, 31139)]