291350275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 395331840

約数和(自身を除く): 103981565

約数列:

[1, 5, 19, 25, 53, 71, 95, 163, 265, 355, 475, 815, 1007, 1325, 1349, 1775, 3097, 3763, 4075, 5035, 6745, 8639, 11573, 15485, 18815, 25175, 33725, 43195, 57865, 71497, 77425, 94075, 164141, 215975, 219887, 289325, 357485, 613369, 820705, 1099435, 1787425, 3066845, 4103525, 5497175, 11654011, 15334225, 58270055, 291350275]

約数ペア:

[(1, 291350275), (5, 58270055), (19, 15334225), (25, 11654011), (53, 5497175), (71, 4103525), (95, 3066845), (163, 1787425), (265, 1099435), (355, 820705), (475, 613369), (815, 357485), (1007, 289325), (1325, 219887), (1349, 215975), (1775, 164141), (3097, 94075), (3763, 77425), (4075, 71497), (5035, 57865), (6745, 43195), (8639, 33725), (11573, 25175), (15485, 18815)]