1255147940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{3191}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 2683425024

約数和(自身を除く): 1428277084

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 277, 284, 355, 554, 710, 1108, 1385, 1420, 2770, 3191, 5540, 6382, 12764, 15955, 19667, 31910, 39334, 63820, 78668, 98335, 196670, 226561, 393340, 453122, 883907, 906244, 1132805, 1767814, 2265610, 3535628, 4419535, 4531220, 8839070, 17678140, 62757397, 125514794, 251029588, 313786985, 627573970, 1255147940]

約数ペア:

[(1, 1255147940), (2, 627573970), (4, 313786985), (5, 251029588), (10, 125514794), (20, 62757397), (71, 17678140), (142, 8839070), (277, 4531220), (284, 4419535), (355, 3535628), (554, 2265610), (710, 1767814), (1108, 1132805), (1385, 906244), (1420, 883907), (2770, 453122), (3191, 393340), (5540, 226561), (6382, 196670), (12764, 98335), (15955, 78668), (19667, 63820), (31910, 39334)]