317879425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 424258560

約数和(自身を除く): 106379135

約数列:

[1, 5, 25, 31, 53, 71, 109, 155, 265, 355, 545, 775, 1325, 1643, 1775, 2201, 2725, 3379, 3763, 5777, 7739, 8215, 11005, 16895, 18815, 28885, 38695, 41075, 55025, 84475, 94075, 116653, 144425, 179087, 193475, 239909, 410167, 583265, 895435, 1199545, 2050835, 2916325, 4477175, 5997725, 10254175, 12715177, 63575885, 317879425]

約数ペア:

[(1, 317879425), (5, 63575885), (25, 12715177), (31, 10254175), (53, 5997725), (71, 4477175), (109, 2916325), (155, 2050835), (265, 1199545), (355, 895435), (545, 583265), (775, 410167), (1325, 239909), (1643, 193475), (1775, 179087), (2201, 144425), (2725, 116653), (3379, 94075), (3763, 84475), (5777, 55025), (7739, 41075), (8215, 38695), (11005, 28885), (16895, 18815)]