31778260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 70741440

約数和(自身を除く): 38963180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 347, 380, 482, 694, 964, 1205, 1388, 1735, 2410, 3470, 4579, 4820, 6593, 6940, 9158, 13186, 18316, 22895, 26372, 32965, 45790, 65930, 83627, 91580, 131860, 167254, 334508, 418135, 836270, 1588913, 1672540, 3177826, 6355652, 7944565, 15889130, 31778260]

約数ペア:

[(1, 31778260), (2, 15889130), (4, 7944565), (5, 6355652), (10, 3177826), (19, 1672540), (20, 1588913), (38, 836270), (76, 418135), (95, 334508), (190, 167254), (241, 131860), (347, 91580), (380, 83627), (482, 65930), (694, 45790), (964, 32965), (1205, 26372), (1388, 22895), (1735, 18316), (2410, 13186), (3470, 9158), (4579, 6940), (4820, 6593)]