2056460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 5081664

約数和(自身を除く): 3025204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 397, 518, 740, 794, 1036, 1295, 1588, 1985, 2590, 2779, 3970, 5180, 5558, 7940, 11116, 13895, 14689, 27790, 29378, 55580, 58756, 73445, 102823, 146890, 205646, 293780, 411292, 514115, 1028230, 2056460]

約数ペア:

[(1, 2056460), (2, 1028230), (4, 514115), (5, 411292), (7, 293780), (10, 205646), (14, 146890), (20, 102823), (28, 73445), (35, 58756), (37, 55580), (70, 29378), (74, 27790), (140, 14689), (148, 13895), (185, 11116), (259, 7940), (370, 5558), (397, 5180), (518, 3970), (740, 2779), (794, 2590), (1036, 1985), (1295, 1588)]