1284128500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{82847}}^1$

素因数の和:82897

約数の個数: 48

約数和(自身を含む): 2895040512

約数和(自身を除く): 1610912012

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 3100, 3875, 7750, 15500, 82847, 165694, 331388, 414235, 828470, 1656940, 2071175, 2568257, 4142350, 5136514, 8284700, 10273028, 10355875, 12841285, 20711750, 25682570, 41423500, 51365140, 64206425, 128412850, 256825700, 321032125, 642064250, 1284128500]

約数ペア:

[(1, 1284128500), (2, 642064250), (4, 321032125), (5, 256825700), (10, 128412850), (20, 64206425), (25, 51365140), (31, 41423500), (50, 25682570), (62, 20711750), (100, 12841285), (124, 10355875), (125, 10273028), (155, 8284700), (250, 5136514), (310, 4142350), (500, 2568257), (620, 2071175), (775, 1656940), (1550, 828470), (3100, 414235), (3875, 331388), (7750, 165694), (15500, 82847)]