87901940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4583}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 212550912

約数和(自身を除く): 124648972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4583, 4795, 9166, 9590, 18332, 19180, 22915, 32081, 45830, 64162, 91660, 128324, 160405, 320810, 627871, 641620, 1255742, 2511484, 3139355, 4395097, 6278710, 8790194, 12557420, 17580388, 21975485, 43950970, 87901940]

約数ペア:

[(1, 87901940), (2, 43950970), (4, 21975485), (5, 17580388), (7, 12557420), (10, 8790194), (14, 6278710), (20, 4395097), (28, 3139355), (35, 2511484), (70, 1255742), (137, 641620), (140, 627871), (274, 320810), (548, 160405), (685, 128324), (959, 91660), (1370, 64162), (1918, 45830), (2740, 32081), (3836, 22915), (4583, 19180), (4795, 18332), (9166, 9590)]