4178500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 9343152

約数和(自身を除く): 5164652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 137, 244, 250, 274, 305, 500, 548, 610, 685, 1220, 1370, 1525, 2740, 3050, 3425, 6100, 6850, 7625, 8357, 13700, 15250, 16714, 17125, 30500, 33428, 34250, 41785, 68500, 83570, 167140, 208925, 417850, 835700, 1044625, 2089250, 4178500]

約数ペア:

[(1, 4178500), (2, 2089250), (4, 1044625), (5, 835700), (10, 417850), (20, 208925), (25, 167140), (50, 83570), (61, 68500), (100, 41785), (122, 34250), (125, 33428), (137, 30500), (244, 17125), (250, 16714), (274, 15250), (305, 13700), (500, 8357), (548, 7625), (610, 6850), (685, 6100), (1220, 3425), (1370, 3050), (1525, 2740)]