2123500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 4822272

約数和(自身を除く): 2698772

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 137, 155, 250, 274, 310, 500, 548, 620, 685, 775, 1370, 1550, 2740, 3100, 3425, 3875, 4247, 6850, 7750, 8494, 13700, 15500, 16988, 17125, 21235, 34250, 42470, 68500, 84940, 106175, 212350, 424700, 530875, 1061750, 2123500]

約数ペア:

[(1, 2123500), (2, 1061750), (4, 530875), (5, 424700), (10, 212350), (20, 106175), (25, 84940), (31, 68500), (50, 42470), (62, 34250), (100, 21235), (124, 17125), (125, 16988), (137, 15500), (155, 13700), (250, 8494), (274, 7750), (310, 6850), (500, 4247), (548, 3875), (620, 3425), (685, 3100), (775, 2740), (1370, 1550)]