1671400

素因数分解:

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

素因数の和:214

約数の個数: 48

約数和(自身を含む): 3978540

約数和(自身を除く): 2307140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 137, 200, 244, 274, 305, 488, 548, 610, 685, 1096, 1220, 1370, 1525, 2440, 2740, 3050, 3425, 5480, 6100, 6850, 8357, 12200, 13700, 16714, 27400, 33428, 41785, 66856, 83570, 167140, 208925, 334280, 417850, 835700, 1671400]

約数ペア:

[(1, 1671400), (2, 835700), (4, 417850), (5, 334280), (8, 208925), (10, 167140), (20, 83570), (25, 66856), (40, 41785), (50, 33428), (61, 27400), (100, 16714), (122, 13700), (137, 12200), (200, 8357), (244, 6850), (274, 6100), (305, 5480), (488, 3425), (548, 3050), (610, 2740), (685, 2440), (1096, 1525), (1220, 1370)]