251285860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2957}}^1$

素因数の和:3580

約数の個数: 48

約数和(自身を含む): 604283904

約数和(自身を除く): 352998044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 607, 1214, 2428, 2957, 3035, 4249, 5914, 6070, 8498, 11828, 12140, 14785, 16996, 20699, 21245, 29570, 41398, 42490, 59140, 82796, 84980, 103495, 206990, 413980, 1794899, 3589798, 7179596, 8974495, 12564293, 17948990, 25128586, 35897980, 50257172, 62821465, 125642930, 251285860]

約数ペア:

[(1, 251285860), (2, 125642930), (4, 62821465), (5, 50257172), (7, 35897980), (10, 25128586), (14, 17948990), (20, 12564293), (28, 8974495), (35, 7179596), (70, 3589798), (140, 1794899), (607, 413980), (1214, 206990), (2428, 103495), (2957, 84980), (3035, 82796), (4249, 59140), (5914, 42490), (6070, 41398), (8498, 29570), (11828, 21245), (12140, 20699), (14785, 16996)]