1860460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 4544064

約数和(自身を除く): 2683604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 137, 140, 194, 274, 388, 485, 548, 679, 685, 959, 970, 1358, 1370, 1918, 1940, 2716, 2740, 3395, 3836, 4795, 6790, 9590, 13289, 13580, 19180, 26578, 53156, 66445, 93023, 132890, 186046, 265780, 372092, 465115, 930230, 1860460]

約数ペア:

[(1, 1860460), (2, 930230), (4, 465115), (5, 372092), (7, 265780), (10, 186046), (14, 132890), (20, 93023), (28, 66445), (35, 53156), (70, 26578), (97, 19180), (137, 13580), (140, 13289), (194, 9590), (274, 6790), (388, 4795), (485, 3836), (548, 3395), (679, 2740), (685, 2716), (959, 1940), (970, 1918), (1358, 1370)]